US2630341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer coupling
Assignee: Individual
•
Filing: 1949-08-01
•
Granted: 1953-03-03
•
Expires: 1969-08-01
Abstract
No abstract record available.
Inventors
- 👤 Francis P Downey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:53
CPC Classifications
B; B65; B65G; B65G33/00; B65G33/24; B65G33/32; Y; Y10; Y10T; Y10T403/00; Y10T403/57; Y10T403/5706
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US408953A
Cited
US688860A
Cited
US710387A
Cited
US894500A
Cited
US961958A
Cited
US1557569A
Cited
US2147878A
Cited
US2362856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |