US2483144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strip coiler
Assignee: MACKINTOSH HEMPHILL Co
•
Filing: 1945-10-11
•
Granted: 1949-09-27
•
Expires: 1965-10-11
Abstract
No abstract record available.
Inventors
- 👤 William M Mcconnell
- 👤 Finn B Abramsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:45
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/28; B21C47/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1820693A
Cited
US1905178A
Cited
US2061109A
Cited
US2219818A
Cited
US2352042A
Cited
US2265087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |