US2780389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Squib operated gas release device
Assignee: Individual
•
Filing: 1955-05-02
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Granted: 1957-02-05
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Expires: 1975-05-02
Abstract
No abstract record available.
Inventors
- 👤 Marvin A Sandgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:51
CPC Classifications
A; A62; A62C; A62C13/00; A62C13/003; B; B05; B05B; B05B9/00; B05B9/03; B05B9/04; B05B9/08; B05B9/0805; B05B9/0833; F; F17; F17C; F17C13/00; F17C13/002; F41; F41H; F41H9/00; F41H9/04; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0311; F17C2205/032; F17C2270/00; F17C2270/07; F17C2270/0718; F17C2270/0754; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1647; Y10T137/1692; Y10T137/1759; Y10T137/1767
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |