US1503022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switch
Assignee: Condit Electrical Manufacturing Corp
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Filing: 1921-06-27
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Granted: 1924-07-29
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Expires: 1941-06-27
Abstract
No abstract record available.
Inventors
- 👤 George A Burnham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:36
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/53; H01H33/55
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) | 1927-07-29 | 1928-01-28 | 1928-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-07-29 | 1932-01-28 | 1932-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-07-29 | 1936-01-28 | 1936-07-29 | $7700.00 | Window Closed / Lapsed |