US2718149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Damping control
Assignee: Individual
•
Filing: 1952-05-23
•
Granted: 1955-09-20
•
Expires: 1972-05-23
Abstract
No abstract record available.
Inventors
- 👤 John W Bamford
- 👤 Robert E Fredericks
- 👤 Robert B Kees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:29
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/50; F16F9/52; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1257; Y10T74/21; Y10T74/211
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1183530A
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US1761694A
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US2013109A
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US2159235A
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US2080279A
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US2084561A
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US2198403A
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US2291612A
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US2584222A
Cited
US2514140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-19 | 1959-03-21 | 1959-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-19 | 1963-03-21 | 1963-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-19 | 1967-03-21 | 1967-09-20 | $7700.00 | Window Closed / Lapsed |