US3033953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: General Controls Co
•
Filing: 1960-06-13
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Granted: 1962-05-08
•
Expires: 1980-06-13
Abstract
No abstract record available.
Inventors
- 👤 Robert E Schwerke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:16
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/26; H01H13/36; H01H13/40; H01H13/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2354027A
Cited
US2417169A
Cited
US2486033A
Cited
US2627754A
Cited
US2701475A
Cited
US2818734A
Cited
US2743331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |