US1487832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock absorber for sucker rods
Assignee: WILBUR C NORRIS
•
Filing: 1921-10-22
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Granted: 1924-03-25
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Expires: 1941-10-22
Abstract
No abstract record available.
Inventors
- 👤 William R Barney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:54
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/14; F04B53/144; F04B53/145; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2146; Y10T74/2154; Y10T74/2158
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1927-03-25 | 1927-09-24 | 1928-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-03-25 | 1931-09-24 | 1932-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-03-25 | 1935-09-24 | 1936-03-25 | $7700.00 | Window Closed / Lapsed |