US2684141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic coupling
Assignee: OI Glass Inc
•
Filing: 1950-11-04
•
Granted: 1954-07-20
•
Expires: 1970-11-04
Abstract
No abstract record available.
Inventors
- 👤 Richard A Pim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:17
CPC Classifications
B; B67; B67B; B67B3/00; B67B3/20; B67B3/2073; B67B3/204; B67B3/2053; F; F16; F16D; F16D31/00; F16D31/04; B67B3/26; B67B3/268
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2130317A
Cited
US2281292A
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US2293786A
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US2292146A
Cited
US2358058A
Cited
US2372310A
Cited
US2559358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |