US2627923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for operating a piercercarrying plunger both to pierce and advance the work being operated on
Assignee: Individual
•
Filing: 1950-04-22
•
Granted: 1953-02-10
•
Expires: 1970-04-22
Abstract
No abstract record available.
Inventors
- 👤 Daniel D Duncan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:27
CPC Classifications
C; C14; C14B; C14B5/00; C14B2700/00; C14B2700/11; C14B2700/116; Y; Y10; Y10S; Y10S425/00; Y10S425/048; Y10T; Y10T83/00; Y10T83/444; Y10T83/4475; Y10T83/4483; Y10T83/4539; Y10T83/4541; Y10T83/4556; Y10T83/869; Y10T83/8736; Y10T83/929; Y10T83/9314
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US172540A
Cited
US1326238A
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US1156824A
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US1964910A
Cited
US2078336A
Cited
US2097568A
Cited
US2123875A
Cited
US2215643A
Cited
US2582813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |