US3016913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosion safety valves, especially for marine engines
Assignee: Individual
•
Filing: 1958-02-25
•
Granted: 1962-01-16
•
Expires: 1978-02-25
Abstract
No abstract record available.
Inventors
- 👤 Bargmann Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:20
CPC Classifications
F; F02; F02B; F02B77/00; F02B77/08; F02B77/10; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/0413; Y; Y10; Y10T; Y10T137/00; Y10T137/5762; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7937
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
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US1959644A
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US2005469A
Cited
DE657043C
Cited
CH195483A
Cited
US2388395A
Cited
DE922645C
Cited
US2520771A
Cited
US2694411A
Cited
US2787127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |