US3374329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: McGraw Edison Co
•
Filing: 1966-10-31
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Granted: 1968-03-19
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Expires: 1986-10-31
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Bronikowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:32
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/38; H01H85/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1058143A
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US1987543A
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US2070315A
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US2702842A
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US2846544A
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US3188432A
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US3102178A
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US3002070A
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US3244838A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |