US1529248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic clutch
Assignee: W G NAGEL ELECTRIC Co
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Filing: 1924-03-26
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Granted: 1925-03-10
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Expires: 1944-03-26
Abstract
No abstract record available.
Inventors
- 👤 Charles W Greene
- 👤 George W Housdorfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:16
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/38; E05F11/382; F; F16; F16D; F16D41/00; F16D41/06; F16D41/08; F16D41/10; F16D41/105; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55
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) | 1928-03-09 | 1928-09-08 | 1929-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-03-09 | 1932-09-08 | 1933-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-03-09 | 1936-09-08 | 1937-03-10 | $7700.00 | Window Closed / Lapsed |