US3140061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reel holding and centering hub
Assignee: Consolidated Electrodynamics Corp
•
Filing: 1961-10-02
•
Granted: 1964-07-07
•
Expires: 1981-10-02
Abstract
No abstract record available.
Inventors
- 👤 William M Benson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:43
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60; G11B15/66; G11B15/662; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE390537C
Cited
US2146835A
Cited
US2149631A
Cited
CH198164A
Cited
US2654550A
Cited
US2960278A
Cited
US2905408A
Cited
GB851307A
Cited
US3053466A
Cited
US2992788A
Cited
US3035788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |