US2992658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansible chamber actuator structure
Assignee: Individual
•
Filing: 1960-08-05
•
Granted: 1961-07-18
•
Expires: 1980-08-05
Abstract
No abstract record available.
Inventors
- 👤 Hulie E Bowerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:39
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/10; F16; F16D; F16D25/00; F16D25/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |