US2997124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical vibration reducing apparatus
Assignee: Southern Gas Association
•
Filing: 1956-07-12
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Granted: 1961-08-22
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Expires: 1976-07-12
Abstract
No abstract record available.
Inventors
- 👤 Damewood Glenn
- 👤 Miles T Hanchett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:34
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/0027; F04B39/0055; F01; F01P; F01P11/00; G; G10; G10K; G10K11/00; G10K11/16; G10K11/161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191122939A
Cited
US2124489A
Cited
FR49204E
Cited
US2537203A
Cited
US2501794A
Cited
US2474555A
Cited
US2692025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |