US2985455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube gripping mechanism
Assignee: Individual
•
Filing: 1960-03-07
•
Granted: 1961-05-23
•
Expires: 1980-03-07
Abstract
No abstract record available.
Inventors
- 👤 Vernon R Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:28
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/24; B23B31/30; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/08; B23Q2703/00; B23Q2703/02; B23Q2703/04; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |