US2885961A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lifting and stacking trucks
Assignee: GRAND SPECIALTIES CO
•
Filing: 1952-11-20
•
Granted: 1959-05-12
•
Expires: 1972-11-20
Abstract
No abstract record available.
Inventors
- 👤 Fred P Hopfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:00
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/02; B66; B66F; B66F3/00; B66F3/24; B66F3/25; B66F3/42; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/18912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US476082A
Cited
US532265A
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US581719A
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US806140A
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US1054871A
Cited
US2436916A
Cited
US2415655A
Cited
US2493824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |