Patent US3196259A successfully refreshed from Google Patents.
Patent US2936041A successfully refreshed from Google Patents.
US2936041A
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Pulsation dampening apparatus
Assignee: Southern Gas Association
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Filing: 1955-06-10
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Granted: 1960-05-10
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Expires: 1975-06-10
Abstract
No abstract record available.
Inventors
- 👤 James M Sharp
- 👤 Miles T Hanchett
- 👤 James P Lincoln
- 👤 Henry W Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:16
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/02; G10K11/04
Claims Analysis
Total Claims: 0
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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) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |