US2449803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutin fitting
Assignee: Individual
•
Filing: 1946-08-09
•
Granted: 1948-09-21
•
Expires: 1966-08-09
Abstract
No abstract record available.
Inventors
- 👤 William J Collison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:32
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/122; Y; Y10; Y10T; Y10T403/00; Y10T403/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US427478A
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US591362A
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DE667457C
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US799954A
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US1288092A
Cited
US1779712A
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US1831855A
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US1938974A
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US2122051A
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US2176470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-21 | 1952-03-22 | 1952-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-21 | 1956-03-22 | 1956-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-21 | 1960-03-22 | 1960-09-21 | $7700.00 | Window Closed / Lapsed |