US2976554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush
Assignee: Individual
•
Filing: 1957-11-18
•
Granted: 1961-03-28
•
Expires: 1977-11-18
Abstract
No abstract record available.
Inventors
- 👤 Hromoko John
- 👤 Anthony F Verdesca
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:54
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/0003; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2075681A
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US2194451A
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US2219753A
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US2545814A
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US2550190A
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US2783490A
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US2582409A
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US2741786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |