US3054585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamping means
Assignee: Fred T Roberts and Co
•
Filing: 1960-07-19
•
Granted: 1962-09-18
•
Expires: 1980-07-19
Abstract
No abstract record available.
Inventors
- 👤 Fred T Roberts
- 👤 Robert E Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:44
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/22; F16L3/23; F16L3/233; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1498
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1127529A
Cited
US2896889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |