US3493692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for issuing information signals
Assignee: Ripper Robots Ltd
•
Filing: 1966-07-06
•
Granted: 1970-02-03
•
Expires: 1986-07-06
Abstract
No abstract record available.
Inventors
- 👤 George William Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:55
CPC Classifications
G; G09; G09B; G09B5/00; G09B5/04; G05; G05B; G05B19/00; G05B19/02; G05B19/42; G05B19/425; G05B2219/00; G05B2219/30; G05B2219/36; G05B2219/36495
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3024321A
Cited
US3193626A
Cited
US2680150A
Cited
US2782626A
Cited
US2928898A
Cited
US2905769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |