US2731752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial tree and method of making
Assignee: Individual
•
Filing: 1953-04-28
•
Granted: 1956-01-24
•
Expires: 1973-04-28
Abstract
No abstract record available.
Inventors
- 👤 Erickson Charlotte
- 👤 Lennart G Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:03
CPC Classifications
A; A47; A47G; A47G33/00; A47G33/04; A47G33/06; A47F; A47F11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US267277A
Cited
US2101898A
Cited
US835445A
Cited
US1920551A
Cited
US2231601A
Cited
US2473855A
Cited
US2575512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |