US3400445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making unitary tire repair cartridge
Assignee: ACTIVE ENGINEERING Inc
•
Filing: 1966-01-07
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Granted: 1968-09-10
•
Expires: 1986-01-07
Abstract
No abstract record available.
Inventors
- 👤 Crandall Loid
- 👤 Louis D Leone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:02
CPC Classifications
B; B29; B29C; B29C73/00; B29C73/04; B29C73/06; B29C73/08; B29L; B29L2030/00; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10882; Y10T152/10909; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/49885; Y10T29/49908; Y10T29/49925; Y10T29/49934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
IN A METHOD OF MAKING A TIRE PLUG CARTRIDGE WHICH INCLUDES A HOLLOW TUBE AND A RUBBER PLUG BODY HAVING A BACKFOLDED ENLARGED HEAD CONTAINED WITHIN THE TUBE, THE STEPS OF: POLISHING THE INTERNAL SURFACE OF A PRE-CUT HOLLOW TUBE HAVING AN INNER DIAMETER GREATER THAN A SELECTED INNER DIAMETER OF THE CARTRIDGE; INSERTING A RUBBER PLUG WITH AN ENLARGED HEAD AND WITH A STEM OF A DIAMETER LESS THAN SAID PRE-CUT TUBE INNER DIAMETER AND GREATER THAN SAID SELECTED DIAMETER, INTO ONE END OF THE TUBE WITH ITS STEM END FIRST SO AS TO BACKFOLD SAID ENLARGED HEAD; POSITIONING SAID BACKFOLDED HEADED PLUG IN SAID TUBE WITH END PORTIONS OF THE PLUG SPACED FROM ENDS OF THE TUBE; AND SIZING SAID TUBE WITH THE PLUG CONTAINED THEREIN WHEREBY SAID INNER DIAMETER OF THE TUBE IS REDUCED TO A SELECTED CARTRIDGE DIAMETER AND THE RUBBER MATERIAL OF SAID PLUG FLOWS LONGITUDINALLY WITHIN THE TUBE WHEREBY THE DEFORMED PLUG IS ADAPTED TO BE DEPOSITED IN A PUNCTURE HOLE AS SAID TUBE IS STRIPPED THEREFROM.
Claim 2
Dependent Claim
173 words
IN A METHOD OF MAKING A TIRE PLUG CARTRIDGE WHICH INCLUDES A HOLLOW TUBE AND A RUBBER PLUG BODY HAVING A BACKFOLDED ENLARGED HEAD CONTAINED WITHIN THE TUBE, THE STEPS OF: POLISHING THE INTERNAL SURFACE OF A PRE-CUT HOLLOW TUBE HAVING AN INNER DIAMETER GREATER THAN A SELECTED INNER DIAMETER OF THE CARTRIDGE; INSERTING A RUBBER PLUG WITH AN ENLARGED HEAD AND WITH A STEM OF A DIAMETER LESS THAN SAID PRE-CUT TUBE INNER DIAMETER AND GREATER THAN SAID SELECTED DIAMETER, INTO ONE END OF THE TUBE WITH ITS STEM END FIRST SO AS TO BACKFOLD SAID ENLARGED HEAD; POSITIONING SAID BACKFOLDED HEADED PLUG IN SAID TUBE WITH END PORTIONS OF THE PLUG SPACED FROM ENDS OF THE TUBE; AND SIZING SAID TUBE WITH THE PLUG CONTAINED THEREIN WHEREBY SAID INNER DIAMETER OF THE TUBE IS REDUCED TO A SELECTED CARTRIDGE DIAMETER AND THE RUBBER MATERIAL OF SAID PLUG FLOWS LONGITUDINALLY WITHIN THE TUBE WHEREBY THE DEFORMED PLUG IS ADAPTED TO BE DEPOSITED IN A PUNCTURE HOLE AS SAID TUBE IS STRIPPED THEREFROM.
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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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |