US1378873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscillating ignition-magneto
Assignee: Webster Electric Co Inc
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Filing: 1919-10-20
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Granted: 1921-05-24
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Expires: 1939-10-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Kleckner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:52
CPC Classifications
H; H02; H02K; H02K21/00; H02K21/26; H02K21/28; H02K21/32; H02K21/325
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) | 1924-05-23 | 1924-11-22 | 1925-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-05-23 | 1928-11-22 | 1929-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-05-23 | 1932-11-22 | 1933-05-24 | $7700.00 | Window Closed / Lapsed |