US2601449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chute supporting mechanism
Assignee: Individual
•
Filing: 1949-12-22
•
Granted: 1952-06-24
•
Expires: 1969-12-22
Abstract
No abstract record available.
Inventors
- 👤 James A Nicholson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:13
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/04; B60P1/28; B60P1/283; B28; B28C; B28C5/00; B28C5/42; B28C5/4203; B28C5/4234; B28C5/4244; B28C5/4248; B60P3/00; B60P3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1890982A
Cited
GB400342A
Cited
GB427033A
Cited
US2419824A
Cited
US2488292A
Cited
US2552850A
Cited
US2542799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |