Patent US2729862A successfully refreshed from Google Patents.
US2729862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
No-sag overhead retracting doors
Assignee: Individual
•
Filing: 1951-05-28
•
Granted: 1956-01-10
•
Expires: 1971-05-28
Abstract
No abstract record available.
Inventors
- 👤 Alvin L Marjama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:50
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/40; E05D15/46; E05D15/463; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10S; Y10S292/00; Y10S292/36; Y10T; Y10T292/00; Y10T292/42
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1766183A
Cited
US2021057A
Cited
US2177275A
Cited
US2286082A
Cited
US2561079A
Cited
US2660765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |