US1722670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Garage-door opener
Assignee: E F DUQUETTE
•
Filing: 1926-04-28
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Granted: 1929-07-30
•
Expires: 1946-04-28
Abstract
No abstract record available.
Inventors
- 👤 Morgan J Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:50
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/611; E05F15/63; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1932-07-29 | 1933-01-28 | 1933-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-07-29 | 1937-01-28 | 1937-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-07-29 | 1941-01-28 | 1941-07-30 | $7700.00 | Window Closed / Lapsed |