US2756799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-skid ice tire
Assignee: Aerojet Rocketdyne Holdings Inc
•
Filing: 1951-04-06
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Granted: 1956-07-31
•
Expires: 1971-04-06
Abstract
No abstract record available.
Inventors
- 👤 Paul O Pfeiffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:11
CPC Classifications
B; B60; B60C; B60C11/00; B60C11/14; B60C11/18; B60C11/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A PNEUMATIC TIRE COMPRISING A CORD-REINFORCED RUBBER BODY HAVING A RELATIVELY THICK ANNULAR TREAD PORTION AND SUPERIMPOSED LAYER OF OPPOSITCLY-ORIENTED, DIAGONALLY-DISPOSED, PLIABLE METAL WIRE CABLES EMBEDDED IN THE TREAD PORTION IN THE VICINITY OF THE ROAD-CONTACTING SURFACE THEREOF, SAID WIRE CABLE EACH COMPRISING A PLURALITY OF STRANDS WHICH, IN TURN COMPRISE A PLURALTIY OF TWISTED FILAMENTS AND EACH CABLE OF WAVE FORM TO PROVIDE A PLURALITY OF SPACED PORTION RELATIVELY DEEPLY EMBEDDED IN THE TREAD PORTION AND A PLURALITY OF SPACED PORTIONS RELATIVELY CLOSE TO THE ROAD-CONTACTING SURFACE OF THE TREAD PORTION.
Claim 2
Dependent Claim
92 words
A PNEUMATIC TIRE COMPRISING A CORD-REINFORCED RUBBER BODY HAVING A RELATIVELY THICK ANNULAR TREAD PORTION AND SUPERIMPOSED LAYER OF OPPOSITCLY-ORIENTED, DIAGONALLY-DISPOSED, PLIABLE METAL WIRE CABLES EMBEDDED IN THE TREAD PORTION IN THE VICINITY OF THE ROAD-CONTACTING SURFACE THEREOF, SAID WIRE CABLE EACH COMPRISING A PLURALITY OF STRANDS WHICH, IN TURN COMPRISE A PLURALTIY OF TWISTED FILAMENTS AND EACH CABLE OF WAVE FORM TO PROVIDE A PLURALITY OF SPACED PORTION RELATIVELY DEEPLY EMBEDDED IN THE TREAD PORTION AND A PLURALITY OF SPACED PORTIONS RELATIVELY CLOSE TO THE ROAD-CONTACTING SURFACE OF THE TREAD PORTION.
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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) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |