Patent US2854729A successfully refreshed from Google Patents.
US2854729A
Expired / Lapsed
US
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Crimping apparatus
Assignee: Joseph Bancroft and Sons Co
•
Filing: 1955-04-21
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Granted: 1958-10-07
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Expires: 1975-04-21
Abstract
No abstract record available.
Inventors
- 👤 Carl J Russo
- 👤 Henry A Sinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:53
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2394165A
Cited
US2575839A
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US2575833A
Cited
US2693008A
Cited
US2734228A
Cited
US2758358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |