Patent US2975977A successfully refreshed from Google Patents.
US2975977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traction device for automobile tires
Assignee: Individual
•
Filing: 1959-03-20
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Granted: 1961-03-21
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Expires: 1979-03-20
Abstract
No abstract record available.
Inventors
- 👤 Chodacki Joseph
- 👤 Zdrojkowski Roman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:56
CPC Classifications
B; B60; B60S; B60S9/00; B60S9/02; B60S9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1373042A
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US1400478A
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US1815435A
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US2422006A
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US2496119A
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US2577890A
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US2619289A
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US2553216A
Cited
US2479760A
Cited
AT198146B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |