US2963153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic elevator and recleaner
Assignee: LILLISTON IMPLEMENT CO
•
Filing: 1957-08-29
•
Granted: 1960-12-06
•
Expires: 1977-08-29
Abstract
No abstract record available.
Inventors
- 👤 Jr John C Boesch
- 👤 William G Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:34
CPC Classifications
A; A01; A01F; A01F12/00; A01F12/44; A01F12/46
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1320031A
Cited
US821819A
Cited
US1023750A
Cited
GB190910004A
Cited
US1275770A
Cited
US2222787A
Cited
US2507669A
Cited
US2446968A
Cited
US2668330A
Cited
US2741888A
Cited
US2715461A
Cited
US2746808A
Cited
US2760325A
Cited
US2711247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |