US3145874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for controlling rupture of shock tube diaphragms
Assignee: Individual
•
Filing: 1962-10-22
•
Granted: 1964-08-25
•
Expires: 1982-10-22
Abstract
No abstract record available.
Inventors
- 👤 James E Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:45
CPC Classifications
G; G01; G01M; G01M9/00; G01M9/02; G01M9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1415216A
Cited
US2095828A
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GB488953A
Cited
US2225220A
Cited
US2304417A
Cited
US2291360A
Cited
US2320211A
Cited
US2788794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |