Patent US3445995A successfully refreshed from Google Patents.
US3445995A
Expired / Lapsed
US
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Strand twisting apparatus
Assignee: Leesona Corp
•
Filing: 1966-12-19
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Granted: 1969-05-27
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Expires: 1986-12-19
Abstract
No abstract record available.
Inventors
- 👤 Charles C Bell
- 👤 Kurt W Niederer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:19
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/11; D01H1/115
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3079745A
Cited
US3206922A
Cited
US3094374A
Cited
US3204396A
Cited
US3303639A
Cited
US3340684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |