US2871652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twisted paper yarn
Assignee: PATCHOGUE PLYMOUTH CORP
•
Filing: 1956-03-26
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Granted: 1959-02-03
•
Expires: 1976-03-26
Abstract
No abstract record available.
Inventors
- 👤 Harold A Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:52
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/02; D02G3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US436261A
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US1739038A
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US1853068A
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US1972607A
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US1994057A
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US2388745A
Cited
GB570109A
Cited
US2707368A
Cited
US2772994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |