Patent US3121509A successfully refreshed from Google Patents.
US3121509A
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US
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Damage resistant rupture disc assembly
Assignee: Fike Metal Products Corp
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Filing: 1960-09-19
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Granted: 1964-02-18
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Expires: 1980-09-19
Abstract
No abstract record available.
Inventors
- 👤 Louis M Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:19
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/14; F16K17/16; F16K17/162; F17; F17C; F17C13/00; F17C13/06; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0311; F17C2205/0314
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2548744A
Cited
US2766904A
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US2716506A
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US2875921A
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US2953279A
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US2954897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |