US2728532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web winding
Assignee: Black Clawson Co
•
Filing: 1953-01-23
•
Granted: 1955-12-27
•
Expires: 1973-01-23
Abstract
No abstract record available.
Inventors
- 👤 Fred C Bower
- 👤 Robert J Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:54
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/22; B65H19/2238; B65H2408/00; B65H2408/20; B65H2408/23; B65H2408/231; B65H2408/2315; B65H2408/23157; B65H2408/233; B65H2408/236
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1633595A
Cited
US1679343A
Cited
US1923670A
Cited
US2361795A
Cited
US2361265A
Cited
US2622817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |