US2614433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable power unit
Assignee: Individual
•
Filing: 1950-04-28
•
Granted: 1952-10-21
•
Expires: 1970-04-28
Abstract
No abstract record available.
Inventors
- 👤 David E Cuckler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:02
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/36; B60P1/365; F; F16; F16H; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/16; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19484
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE410283C
Cited
US1949015A
Cited
US2314549A
Cited
FR889890A
Cited
US2446645A
Cited
US2477065A
Cited
US2522960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |