Patent US2920372A successfully refreshed from Google Patents.
US2920372A
Expired / Lapsed
US
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Apparatus for the manufacture of paint roller covers
Assignee: Seamless Covers Inc
•
Filing: 1956-01-30
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Granted: 1960-01-12
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Expires: 1976-01-30
Abstract
No abstract record available.
Inventors
- 👤 Alfred L Sannipoli
- 👤 Earl E Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:32
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/02; B05C17/0207; A; A46; A46D; A46D9/00; Y; Y10; Y10T; Y10T82/00; Y10T82/16; Y10T82/16098
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |