US3030260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic adhesive sealants
Assignee: North American Aviation Corp
•
Filing: 1958-12-15
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Granted: 1962-04-17
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Expires: 1978-12-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward C Metzler
- 👤 Hampton M Clancy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:16
CPC Classifications
C; C09; C09J; C09J127/00; C09J127/02; C09J127/12; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A METHOD FOR FORMING A SEAL BETWEEN TWO SIDES OF A GROOVED FORMED BY A PAIR OF METAL ELEMENTS COMPRISING HEATING A THERMOPLASTIC SEALANT COMPOSITION COMPRISED OF 15 TO 35 PARTS OF A HOMOPOLYMER OF POLYTETRAFLUOROETHYLENE AND 100 PARTS OF A COPOLYMER OF CHLOROTRIFLUROETHYLENE AND VINYLIDENE FLUORIDE, TO A TEMPERATURE OF NOT SUBSTANTIALLY LESS THAN 225* F. AND INJECTING SAID COMPOSITION INTO SAID GROOVE.
Claim 2
Independent Claim
64 words
A METHOD FOR FORMING A SEAL BETWEEN TWO SIDES OF A GROOVED FORMED BY A PAIR OF METAL ELEMENTS COMPRISING HEATING A THERMOPLASTIC SEALANT COMPOSITION COMPRISED OF 15 TO 35 PARTS OF A HOMOPOLYMER OF POLYTETRAFLUOROETHYLENE AND 100 PARTS OF A COPOLYMER OF CHLOROTRIFLUROETHYLENE AND VINYLIDENE FLUORIDE, TO A TEMPERATURE OF NOT SUBSTANTIALLY LESS THAN 225* F. AND INJECTING SAID COMPOSITION INTO SAID GROOVE.
References Cited (Backward Citations)
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Cited
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US2789959A
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Cited
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Cited
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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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |