Patent US1912987A successfully refreshed from Google Patents.
US1912987A
Expired / Lapsed
US
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Work supporting and driving mechanism
Assignee: Jones and Lamson Machine Co
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Filing: 1930-04-08
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Granted: 1933-06-06
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Expires: 1950-04-08
Abstract
No abstract record available.
Inventors
- 👤 John E Lovely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:58
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/1261; B23B31/1284; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2568; Y10T82/26
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) | 1936-06-05 | 1936-12-05 | 1937-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-06-05 | 1940-12-05 | 1941-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-06-05 | 1944-12-05 | 1945-06-06 | $7700.00 | Window Closed / Lapsed |