Patent US2902235A successfully refreshed from Google Patents.
US2902235A
Expired / Lapsed
US
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Snap-on rims for plastic spools
Assignee: Coats and Clark Inc
•
Filing: 1955-08-22
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Granted: 1959-09-01
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Expires: 1975-08-22
Abstract
No abstract record available.
Inventors
- 👤 Louis H Morin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:13
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/50; B65H2701/51; B65H2701/512; B65H2701/5122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2000372A
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US2659547A
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US2535188A
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US2683572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |