Patent US2873767A successfully refreshed from Google Patents.
US2873767A
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US
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Machine for making spring clip clothespins
Assignee: FORSTER Manufacturing Co
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Filing: 1953-12-14
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Granted: 1959-02-17
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Expires: 1973-12-14
Abstract
No abstract record available.
Inventors
- 👤 Leslie W Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:40
CPC Classifications
B; B21; B21F; B21F3/00; B21F3/02; B21F3/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1830021A
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US1829651A
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US2192260A
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US2515308A
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US2746491A
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US2631359A
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US2705027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |