Patent US4809196A successfully refreshed from Google Patents.
US2869908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cover attaching assembly
Assignee: Pryne & Co Inc
•
Filing: 1956-08-27
•
Granted: 1959-01-20
•
Expires: 1976-08-27
Abstract
No abstract record available.
Inventors
- 👤 Harold H Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:18
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/14; Y; Y10; Y10T; Y10T292/00; Y10T292/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US577813A
Cited
US2201333A
Cited
US2610857A
Cited
US2557468A
Cited
US2639368A
Cited
US2648585A
Cited
US2728849A
Cited
US2639881A
Cited
US2710299A
Cited
US2793092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |