US2593470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer drive
Assignee: TERRE HILL MACHINE CO Inc
•
Filing: 1949-04-14
•
Granted: 1952-04-22
•
Expires: 1969-04-14
Abstract
No abstract record available.
Inventors
- 👤 Matthews Charles
- 👤 Harvey M Wenger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:01
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/01; A01K1/0128; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18152
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |