US3456764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for absorbing shock loads
Assignee: Baker Hughes Oilfield Operations LLC
•
Filing: 1967-04-04
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Granted: 1969-07-22
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Expires: 1987-04-04
Abstract
No abstract record available.
Inventors
- 👤 William D Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:23
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/50; F16F9/504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US462970A
Cited
US2329803A
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US2916281A
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US3024875A
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US3079897A
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US3216535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |