US2812910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double drum winding machine and flying winding roll changer
Assignee: FRANK W EGAN AND CO
•
Filing: 1955-09-07
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Granted: 1957-11-12
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Expires: 1975-09-07
Abstract
No abstract record available.
Inventors
- 👤 Lawrence W Egan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:49
CPC Classifications
B; B65; B65H; B65H18/00; B65H18/08; B65H18/14; B65H18/20; B65H19/00; B65H19/22; B65H19/2238; B65H19/2246; D; D01; D01G; D01G27/00; D01G27/02; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/413; B65H2301/4136; B65H2301/41361; B65H2301/417; B65H2301/418; B65H2301/4182; B65H2301/41826
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1613381A
Cited
DE697347C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |