Patent US2217042A successfully refreshed from Google Patents.
US2217042A
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Clamping device
Assignee: BOWDIL CO
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Filing: 1939-07-28
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Granted: 1940-10-08
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Expires: 1959-07-28
Abstract
No abstract record available.
Inventors
- 👤 Charles L Bowman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:03
CPC Classifications
H; H02; H02G; H02G7/00; H02G7/05; H02G7/053; H02G7/056; F; F16; F16G; F16G11/00; F16G11/04; F16G11/044; F16G11/046; F16G11/048; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3969; Y10T24/3971; Y10T403/00; Y10T403/71; Y10T403/7129; Y10T403/7141; Y10T403/76
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) | 1943-10-08 | 1944-04-08 | 1944-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-08 | 1948-04-08 | 1948-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-08 | 1952-04-08 | 1952-10-08 | $7700.00 | Window Closed / Lapsed |