US3501870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine and conveyor assembly
Assignee: Landis Lund Ltd
•
Filing: 1966-12-16
•
Granted: 1970-03-24
•
Expires: 1986-12-16
Abstract
No abstract record available.
Inventors
- 👤 Herbert G Bottomley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:43
CPC Classifications
B; B24; B24B; B24B41/00; B24B41/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1109948A
Cited
US1017880A
Cited
US1974696A
Cited
US2062106A
Cited
US2110931A
Cited
US3073074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |