US2674891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Caging and centering mechanism
Assignee: —
•
Filing: —
•
Granted: 1954-04-13
•
Expires: 1971-04-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:08
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/26; B; B64; B64G; B64G1/00; B64G1/22; B64G1/24; B64G1/28; B64G1/286; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1204; Y10T74/20; Y10T74/20576; Y10T74/20636
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) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |