US3211573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic lining of pipe
Assignee: Bonded Products Inc
•
Filing: 1962-03-05
•
Granted: 1965-10-12
•
Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 Hanford Z Hight
- 👤 George W Shannon
- 👤 Melvin M Gallant
- 👤 Frederick C Shaughnessy
- 👤 John W Bogdanowski
- 👤 Fred W Hoehlein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:54
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/22; B05D7/222; B05C; B05C7/00; B05C7/06; B05C7/08; B05D1/00; B05D1/40; B05D1/42; Y; Y10; Y10S; Y10S118/00; Y10S118/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
METHOD OF LINING AND ELONGATED TUBULAR CAVITY CONTAINING FLUID UNDER PRESSURE AND HAVING ANEXPOSED END, WHICH COMPRISES INSERTING AN APPLICATOR THROUGH SAID EXPOSED END WHILE MAINTAINING SAID EXPSOED END SEALED AGAINST THE ESCAPE OF FLUID, APPLYING SLIDING THRUST THROUGH SAID SEALED EXPOSED END FOR PROPELLING SAID APPLICATOR ALONG INSIDE THE CAVITY TO A POSITION ADJACENT THE OTHER END THEREOF, APPLYING FLUID PRESSURE FOR PASSING A CHARGE OF THIXOTROPIC LINING MATERIAL INTO SAID CAVITY AHEAD OF SAID SEALED EXPOSED END, APPLYING SLIDING THRUST FOR PROPELLING SAID CHARGE ALONG INSIDE THE CAVITY ON AGAINST THE APPLICATOR TO LOAD THE SAME, AND PROPELLING THE APPLICATOR IN THE REVERSE DIRECTION TOWARD SAID EXPOSED END TO SPREAD THE CHARGE AND LINE THE INSIDE OF SAID CAVITY.
Claim 2
Dependent Claim
121 words
METHOD OF LINING AND ELONGATED TUBULAR CAVITY CONTAINING FLUID UNDER PRESSURE AND HAVING ANEXPOSED END, WHICH COMPRISES INSERTING AN APPLICATOR THROUGH SAID EXPOSED END WHILE MAINTAINING SAID EXPSOED END SEALED AGAINST THE ESCAPE OF FLUID, APPLYING SLIDING THRUST THROUGH SAID SEALED EXPOSED END FOR PROPELLING SAID APPLICATOR ALONG INSIDE THE CAVITY TO A POSITION ADJACENT THE OTHER END THEREOF, APPLYING FLUID PRESSURE FOR PASSING A CHARGE OF THIXOTROPIC LINING MATERIAL INTO SAID CAVITY AHEAD OF SAID SEALED EXPOSED END, APPLYING SLIDING THRUST FOR PROPELLING SAID CHARGE ALONG INSIDE THE CAVITY ON AGAINST THE APPLICATOR TO LOAD THE SAME, AND PROPELLING THE APPLICATOR IN THE REVERSE DIRECTION TOWARD SAID EXPOSED END TO SPREAD THE CHARGE AND LINE THE INSIDE OF SAID CAVITY.
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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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |