Patent US2480876A successfully refreshed from Google Patents.
US2480876A
Expired / Lapsed
US
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Invertible field desk and file cabinet
Assignee: Individual
•
Filing: 1945-03-20
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Granted: 1949-09-06
•
Expires: 1965-03-20
Abstract
No abstract record available.
Inventors
- 👤 Frederick T Paden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:25
CPC Classifications
A; A47; A47B; A47B63/00; A47B63/04; Y; Y10; Y10T; Y10T292/00; Y10T292/28; Y10T292/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US592159A
Cited
US893694A
Cited
US1186995A
Cited
GB104271A
Cited
US1349634A
Cited
US1499148A
Cited
US1655884A
Cited
US2376666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |