US2636693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic reel
Assignee: FJ Littell Machine Co
•
Filing: 1947-03-26
•
Granted: 1953-04-28
•
Expires: 1967-03-26
Abstract
No abstract record available.
Inventors
- 👤 Frederick M Littell
- 👤 Rudolph A Skriba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:34
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/28; B21C47/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1815100A
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US2202563A
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US2117640A
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US2164600A
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US2275963A
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US2236971A
Cited
US2299101A
Cited
US2323104A
Cited
US2394505A
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US2427248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |