Patent US2975622A successfully refreshed from Google Patents.
US2975622A
Expired / Lapsed
US
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Circular knitting machines
Assignee: BOOTON Ltd W
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Filing: 1956-11-30
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Granted: 1961-03-21
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Expires: 1976-11-30
Abstract
No abstract record available.
Inventors
- 👤 Booton Herman
- 👤 Neal Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:28
CPC Classifications
D; D04; D04B; D04B15/00; D04B15/88; D04B15/92
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2729082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |