US3460134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signalling device
Assignee: Individual
•
Filing: 1967-06-23
•
Granted: 1969-08-05
•
Expires: 1987-06-23
Abstract
No abstract record available.
Inventors
- 👤 William Ross Aiken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:16
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/20; G09G3/34; G09G3/3433; G06; G06F; G06F11/00; G06F11/30; G06F11/32; G09F; G09F9/00; G09F9/30; G09F9/37; G09F9/372
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3319246A
Cited
US3373422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |