Patent US2835325A successfully refreshed from Google Patents.
US2835325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screen door
Assignee: Individual
•
Filing: 1956-04-09
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Granted: 1958-05-20
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Expires: 1976-04-09
Abstract
No abstract record available.
Inventors
- 👤 Alfred D Gilbert
- 👤 Harry W Haythornewhite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:10
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/52; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49876
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US657523A
Cited
US1794956A
Cited
US2126544A
Cited
US2255534A
Cited
US2321118A
Cited
US2626433A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |