US3002779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grapples
Assignee: AT&T Inc
•
Filing: 1958-08-25
•
Granted: 1961-10-03
•
Expires: 1978-08-25
Abstract
No abstract record available.
Inventors
- 👤 Domenico C Frate
- 👤 Daniel G Stetka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:30
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/62; B66C1/66; B66C1/22; B66C1/28; B66C1/30; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18616; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19805
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US428639A
Cited
US1390904A
Cited
US1736016A
Cited
US2462691A
Cited
US2718320A
Cited
US2844403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |