Patent US1031586A successfully refreshed from Google Patents.
Patent US2904355A successfully refreshed from Google Patents.
US2904355A
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Pressure responsive, orientated, double seal ring threaded joint
Assignee: CREAMER AND DUNLAP
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Filing: 1955-11-09
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Granted: 1959-09-15
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Expires: 1975-11-09
Abstract
No abstract record available.
Inventors
- 👤 Robert W Creamer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:47
CPC Classifications
F; F16; F16L; F16L15/00; F16L15/006; F16L15/008; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/46; F16L41/00; F16L41/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2704676A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |