US3221300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warning signal device
Assignee: Individual
•
Filing: 1961-09-14
•
Granted: 1965-11-30
•
Expires: 1981-09-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Fred Russell Elledge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:47
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/22; G08B5/36; G08B5/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A SIGNAL DEVICE COMPRISING: A BATTERY ACCOMMODATING CASE HAVING A DEEP, UPWARDLY EXTENDING, OPEN GROOVE ACROSS ITS WIDTH COMMENCING AT ITS BOTTOM SURFACE AND PARTITIONING THE CASE; A COVER INCLUDING A TOP PLATE AND DOWNWARDLY DEPENDING SIDE WALLS, AT LEAST ONE PAIR OF DOWNWARDLY DEPENDING SIDE WALLS EXTENDING BELOW THE CLOSED UPPER END OF SAID GROOVE, SAID ONE PAIR OF SIDE WALLS HAVING OPENINGS IN REGISTRY WITH ONE ANOTHER AND WITH THE CLOSED UPPER END PORTION OF SAID GROOVE; AND A LOCKING BOLT PASSING THROUGH SAID OPENINGS AND SAID GROOVE TO FIRMLY AND RELEASABLY SECURE SAID COVER TO SAID CASE.
Claim 2
Dependent Claim
100 words
A SIGNAL DEVICE COMPRISING: A BATTERY ACCOMMODATING CASE HAVING A DEEP, UPWARDLY EXTENDING, OPEN GROOVE ACROSS ITS WIDTH COMMENCING AT ITS BOTTOM SURFACE AND PARTITIONING THE CASE; A COVER INCLUDING A TOP PLATE AND DOWNWARDLY DEPENDING SIDE WALLS, AT LEAST ONE PAIR OF DOWNWARDLY DEPENDING SIDE WALLS EXTENDING BELOW THE CLOSED UPPER END OF SAID GROOVE, SAID ONE PAIR OF SIDE WALLS HAVING OPENINGS IN REGISTRY WITH ONE ANOTHER AND WITH THE CLOSED UPPER END PORTION OF SAID GROOVE; AND A LOCKING BOLT PASSING THROUGH SAID OPENINGS AND SAID GROOVE TO FIRMLY AND RELEASABLY SECURE SAID COVER TO SAID CASE.
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |