US1224952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric-switch structure.
Assignee: CLARENCE E MAXWELL
•
Filing: 1916-03-17
•
Granted: 1917-05-08
•
Expires: 1936-03-17
Abstract
No abstract record available.
Inventors
- 👤 Samuel R Naginey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:16
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/005; B; B61; B61G; B61G5/00; B61G5/06
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) | 1920-05-07 | 1920-11-06 | 1921-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-05-07 | 1924-11-06 | 1925-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-05-07 | 1928-11-06 | 1929-05-08 | $7700.00 | Window Closed / Lapsed |