US3253570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foldable highway warning signal
Assignee: VARI PRODUCTS CO
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Filing: 1964-10-05
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Granted: 1966-05-31
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Expires: 1984-10-05
Abstract
No abstract record available.
Inventors
- 👤 Ralph R Gunderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:59
CPC Classifications
B; B60; B60Q; B60Q7/00; B60Q7/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A FOLDABLE WARNING SIGNAL, COMPRISING: A SUPPORTING BASE HAVING A LOWER HINGE PORTION THEREON; A SIGNALING DEVICE HAVING AN UPPER HINGE PORTION THEREON; A PAIR OF COOPERATING LATCH PORTIONS OPERABLE BETWEEN THE BASE AND THE SIGNALING DEVICE FOR RELEASABLY LATCHING SAID SIGNALING DEVICE IN SIGNALING POSITION; AND AN ELONGATED RESILIENT HINGE PIN POSITIONED AND ARRANGED TO ROTATABLY JOIN THE UPPER AND LOWER HINGE PORTIONS TO SWINGABLY MOUNT THE SIGNALING DEVICE ON THE BASE FOR MOVEMENT FROM
Claim 2
Dependent Claim
76 words
A FOLDABLE WARNING SIGNAL, COMPRISING: A SUPPORTING BASE HAVING A LOWER HINGE PORTION THEREON; A SIGNALING DEVICE HAVING AN UPPER HINGE PORTION THEREON; A PAIR OF COOPERATING LATCH PORTIONS OPERABLE BETWEEN THE BASE AND THE SIGNALING DEVICE FOR RELEASABLY LATCHING SAID SIGNALING DEVICE IN SIGNALING POSITION; AND AN ELONGATED RESILIENT HINGE PIN POSITIONED AND ARRANGED TO ROTATABLY JOIN THE UPPER AND LOWER HINGE PORTIONS TO SWINGABLY MOUNT THE SIGNALING DEVICE ON THE BASE FOR MOVEMENT FROM
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |