US1362441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gate-operating mechanism
Assignee: C O BARTLETT AND SNOW Co
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Filing: 1917-04-14
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Granted: 1920-12-14
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Expires: 1937-04-14
Abstract
No abstract record available.
Inventors
- 👤 Edgar P Sawhill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:33
CPC Classifications
B; B66; B66B; B66B17/00; B66B17/14; B66B17/26; G; G01; G01G; G01G19/00; G01G19/14
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) | 1923-12-14 | 1924-06-14 | 1924-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-12-14 | 1928-06-14 | 1928-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-12-14 | 1932-06-14 | 1932-12-14 | $7700.00 | Window Closed / Lapsed |