Patent US3019889A successfully refreshed from Google Patents.
US3019889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energy transmitting means for conveyors and the like
Assignee: Chain Belt Co
•
Filing: 1952-12-30
•
Granted: 1962-02-06
•
Expires: 1972-12-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert M Carrier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:09
CPC Classifications
B; B65; B65G; B65G27/00; B65G27/10; B65G27/28; B65G27/30; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18064
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE485982C
Cited
US786337A
Cited
DE338023C
Cited
US1386158A
Cited
US1810882A
Cited
US2358876A
Cited
US2447393A
Cited
US2725984A
Cited
US2630211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |