Patent US4435918A successfully refreshed from Google Patents.
US4435918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decorative flower pot
Assignee: Individual
•
Filing: 1981-12-23
•
Granted: 1984-03-13
•
Expires: 2001-12-23
Abstract
Abstract This invention relates to a flower pot comprising an upper pot, a lower pot, with means that can regulate the water supply to the soil and a means that can adjust the exposed area of the soil to the air, thereby minimizing the unfavorable effect of the drastic changes of the weather.
Inventors
- 👤 Guey-Ji Shain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:47
CPC Classifications
A; A01; A01G; A01G27/00; A01G27/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
199 words
A horticultural pot comprising: two coaxially positioned pots including a bottomless upper pot having smaller diametrical dimension and a lower pot having larger diametrical dimension with a drainage hole; the said upper pot being at a level where its lower edge is slightly below the top edge of said lower pot; around the lower part of said upper pot there being externally and peripherally provided a plurality of radially distributed, hollow structures to define first reservoir means for receiving water, and conduit means intercommunicating adjacent ones of said first reservoir means; a drainage hole cover which closes said drainage hole; a plurality of hollow columns supporting said first reservoir means and said upper pot; the lower end of each said column having an opening through said drainage hole cover and open to the outside, the upper end of each said column being blind; the side wall of each said column being densely provided with tiny perforations to communicate the interior of said column to the interior of said lower pot; at least part of the bottom of said first reservoir means being water-pervious; the top side of said reservoirs being substantially at the same level to define a platform.
Claim 2
Dependent Claim
199 words
A horticultural pot comprising: two coaxially positioned pots including a bottomless upper pot having smaller diametrical dimension and a lower pot having larger diametrical dimension with a drainage hole; the said upper pot being at a level where its lower edge is slightly below the top edge of said lower pot; around the lower part of said upper pot there being externally and peripherally provided a plurality of radially distributed, hollow structures to define first reservoir means for receiving water, and conduit means intercommunicating adjacent ones of said first reservoir means; a drainage hole cover which closes said drainage hole; a plurality of hollow columns supporting said first reservoir means and said upper pot; the lower end of each said column having an opening through said drainage hole cover and open to the outside, the upper end of each said column being blind; the side wall of each said column being densely provided with tiny perforations to communicate the interior of said column to the interior of said lower pot; at least part of the bottom of said first reservoir means being water-pervious; the top side of said reservoirs being substantially at the same level to define a platform.
Claim 3
Dependent Claim
70 words
The horticultural pot according to claim 1, further comprising second reservoir means which occupy an annular space at the upper end of said upper pot, the outer dimension of said annular space corresponding to the inner dimension of the upper end of said upper pot, said second reservoir means being divided into radially symmetrical, detachable segments, each segment being hollow and having its bottom pervious to water to an extent.
References Cited (Backward Citations)
GB226099A
Cited
US2113888A
Cited
US3243919A
Cited
US3903642A
Cited
US4106235A
Cited
US4236351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-03-13 | 1987-09-12 | 1988-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-03-13 | 1991-09-12 | 1992-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-03-13 | 1995-09-12 | 1996-03-13 | $7700.00 | Window Closed / Lapsed |