US3440763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure operator
Assignee: Gar Wood Industries Inc
•
Filing: 1965-09-29
•
Granted: 1969-04-29
•
Expires: 1985-09-29
Abstract
No abstract record available.
Inventors
- 👤 Angus J O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:55
CPC Classifications
B; B65; B65F; B65F3/00; E; E05; E05Y; E05Y2900/00; E05Y2900/50
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2538980A
Cited
US2737254A
Cited
US2999683A
Cited
US3249990A
Cited
US3272552A
Cited
US3229832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |