Patent US1689852A successfully refreshed from Google Patents.
US1689852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical switch
Assignee: BOJAC Manufacturing CO Inc
•
Filing: 1926-10-09
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Granted: 1928-10-30
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Expires: 1946-10-09
Abstract
No abstract record available.
Inventors
- 👤 Hugh W Batcheller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:21
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/16; H01H15/00; H01H15/02; H01H15/06; H01H15/16; H01H15/18; Y; Y10; Y10S; Y10S200/00; Y10S200/29
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) | 1931-10-30 | 1932-04-30 | 1932-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-10-30 | 1936-04-30 | 1936-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-10-30 | 1940-04-30 | 1940-10-30 | $7700.00 | Window Closed / Lapsed |