US2620965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable pneumatic power unit
Assignee: Individual
•
Filing: 1947-06-07
•
Granted: 1952-12-09
•
Expires: 1967-06-07
Abstract
No abstract record available.
Inventors
- 👤 Leonidas C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:53
CPC Classifications
A; A01; A01G; A01G3/00; F; F04; F04B; F04B35/00; F04B35/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1582028A
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USRE22912E
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US1159829A
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US1742948A
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US1904832A
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US1794485A
Cited
US1940940A
Cited
US1884928A
Cited
US2350880A
Cited
US2490698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |