Patent US2929397A successfully refreshed from Google Patents.
US2929397A
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Movement compensation means for piping system
Assignee: Phillips Petroleum Co
•
Filing: 1956-12-31
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Granted: 1960-03-22
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Expires: 1976-12-31
Abstract
No abstract record available.
Inventors
- 👤 Earl L Sloan
- 👤 Alvin P Olbrich
- 👤 Jack L Mustard
- 👤 Dan H Gillum
- 👤 Harry L Wendel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:34
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/16; F16L3/20; F16L3/205; F16L3/2053; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/9029; Y10T137/9138
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1240521A
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US1677740A
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US2335478A
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US2404447A
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US2396086A
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US2397094A
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US2592372A
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US2451252A
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GB705870A
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US2745422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |