US3362010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle identification system
Assignee: Control Data Corp
•
Filing: 1961-03-23
•
Granted: 1968-01-02
•
Expires: 1981-03-23
Abstract
No abstract record available.
Inventors
- 👤 Rabinow Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:58
CPC Classifications
B; B61; B61L; B61L25/00; B61L25/02; B61L25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
IN A SIGNAL SYSTEM FOR A PLURALITY OF VEHICLES, THE IMPROVEMENT COMPRISING MEANS INCLUDING, A GROUP OF WHISTLES OF DIFFERENT FREQUENCIES FOR PROVIDING A CODE BY MEANS OF THE DIFFERENT FREQUENCIES, MEANS FOR MOUNTING SAID GROUP OF WHISTLES ON ONE OF THE VEHICLES, AND A RECEIVER FOR SAID CODE FREQUENCIES TO TRANSDUCE THE CODE FREQUENCIES TO AN ELECTRICAL SIGNAL.
Claim 2
Dependent Claim
59 words
IN A SIGNAL SYSTEM FOR A PLURALITY OF VEHICLES, THE IMPROVEMENT COMPRISING MEANS INCLUDING, A GROUP OF WHISTLES OF DIFFERENT FREQUENCIES FOR PROVIDING A CODE BY MEANS OF THE DIFFERENT FREQUENCIES, MEANS FOR MOUNTING SAID GROUP OF WHISTLES ON ONE OF THE VEHICLES, AND A RECEIVER FOR SAID CODE FREQUENCIES TO TRANSDUCE THE CODE FREQUENCIES TO AN ELECTRICAL SIGNAL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |