US3250573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyors
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1964-05-14
•
Granted: 1966-05-10
•
Expires: 1984-05-14
Abstract
No abstract record available.
Inventors
- 👤 Clarke Kenneth
- 👤 Ware Jason Argent
- 👤 Hutchings Raymond George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:08
CPC Classifications
B; B65; B65G; B65G49/00; B65G49/05; B65G49/06; B65G49/063; B65G49/064; B65G49/065; B65G51/00; B65G51/02; B65G51/03; B29; B29D; B29D30/00; B29D30/06; B29D30/38; B29D30/44; B29D2030/4406; B29D2030/4431
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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |