US2448743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cord processing apparatus
Assignee: Wingfoot Corp
•
Filing: 1946-05-04
•
Granted: 1948-09-07
•
Expires: 1966-05-04
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Solliday
- 👤 Herbert E Riggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:49
CPC Classifications
D; D01; D01H; D01H1/00; D01H2700/00; D01H2700/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US320344A
Cited
GB189810275A
Cited
US2156244A
Cited
US2202031A
Cited
US2310951A
Cited
US2334420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-07 | 1952-03-08 | 1952-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-07 | 1956-03-08 | 1956-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-07 | 1960-03-08 | 1960-09-07 | $7700.00 | Window Closed / Lapsed |