US1852689A
Expired / Lapsed
US
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Assignee: COVERT Manufacturing Co
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Filing: 1929-03-27
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Granted: 1932-04-05
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Expires: 1949-03-27
Abstract
No abstract record available.
Inventors
- 👤 John B Baxter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:18
CPC Classifications
F; F16; F16B; F16B45/00; F16B45/02; F16B45/036; F16B45/04; F16B45/053; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/31; Y10S24/33; Y10S24/34; Y10T; Y10T24/00; Y10T24/34; Y10T24/3484; Y10T24/3485; Y10T24/3489; Y10T24/3492; Y10T24/45; Y10T24/45005; Y10T24/45115; Y10T24/4512; Y10T24/45225; Y10T24/45958; Y10T24/45963
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) | 1935-04-05 | 1935-10-05 | 1936-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-04-05 | 1939-10-05 | 1940-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-04-05 | 1943-10-05 | 1944-04-05 | $7700.00 | Window Closed / Lapsed |