Patent US2986198A successfully refreshed from Google Patents.
US2986198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface covering and process therefor
Assignee: Congoleum Industries Inc
•
Filing: 1960-03-03
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Granted: 1961-05-30
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Expires: 1980-03-03
Abstract
No abstract record available.
Inventors
- 👤 Leona G Kolker
- 👤 Joseph F Dobry
- 👤 William C Weigle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:58
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0028; Y; Y10; Y10T; Y10T428/00; Y10T428/22; Y10T428/23; Y10T428/233; Y10T428/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1873587A
Cited
US2054454A
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US2154438A
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US2353995A
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US2302305A
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US2689981A
Cited
US2624068A
Cited
US2712190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |