US2078489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety stop for balancers
Assignee: Independent Pneumatic Tool Co
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Filing: 1936-01-02
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Granted: 1937-04-27
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Expires: 1956-01-02
Abstract
No abstract record available.
Inventors
- 👤 Frithiof P Forss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:17
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/34; B65H75/38; B65H75/44; B65H75/48; B65H75/483; B25; B25H; B25H1/00; B25H1/0021; B25H1/0028; B65H75/4418; B65H75/4421; B65H75/4426; H; H02; H02G; H02G11/00; H02G11/02
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) | 1940-04-26 | 1940-10-26 | 1941-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-04-26 | 1944-10-26 | 1945-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-04-26 | 1948-10-26 | 1949-04-27 | $7700.00 | Window Closed / Lapsed |