Patent US2445134A successfully refreshed from Google Patents.
Patent US3177528A successfully refreshed from Google Patents.
US3177528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for applying electrically insulated coating to pipe fittings
Assignee: Individual
•
Filing: 1963-05-09
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Granted: 1965-04-13
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Expires: 1983-05-09
Abstract
No abstract record available.
Inventors
- 👤 Archibald T Flower
- 👤 David L Buchanan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:54
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C70/74; B29C33/00; B29C33/0011; B29C33/0016; B29C44/00; B29C44/02; B29C44/12; B29C44/1228; B29C44/1242; F; F16; F16L; F16L58/00; F16L58/18; B29K; B29K2075/00; B29K2105/00; B29K2105/04; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A PLASTIC MOLD FOR USE IN COATING AN UNINSULATED PART OF A PIPE LINE, COMPRISING A PREFORMED BODY OF THIN RELATIVELY TRANSPARENT PLASTIC MATERIAL SHAPED TO CONFORM GENERALLY WITH AND TO BE SUBSTANTIALLY SPACED FROM THE PART TO BE COATED AND HAVING A TAPERED END FOR LOOSELY ENGAGING A PORTION OF THE PIPE, TRANSVERSE REINFORCING CORRUGATIONS IN SAID BODY, FLAT PERIMETRAL FINS ON THE MARGINAL EDGES OF SAID MOLD, FASTENING MEANS APPLIED TO SAID FINS FOR SECURING THE MOLD ABOUT THE PART TO BE COATED, AND CHANNEL MEANS ON SAID BODY FOR POURING INTO SAID MOLD A LIQUID FOAMED-IN-PLACE POLYOL-ISOCYANATE RESIN SYSTEM.
Claim 2
Dependent Claim
102 words
A PLASTIC MOLD FOR USE IN COATING AN UNINSULATED PART OF A PIPE LINE, COMPRISING A PREFORMED BODY OF THIN RELATIVELY TRANSPARENT PLASTIC MATERIAL SHAPED TO CONFORM GENERALLY WITH AND TO BE SUBSTANTIALLY SPACED FROM THE PART TO BE COATED AND HAVING A TAPERED END FOR LOOSELY ENGAGING A PORTION OF THE PIPE, TRANSVERSE REINFORCING CORRUGATIONS IN SAID BODY, FLAT PERIMETRAL FINS ON THE MARGINAL EDGES OF SAID MOLD, FASTENING MEANS APPLIED TO SAID FINS FOR SECURING THE MOLD ABOUT THE PART TO BE COATED, AND CHANNEL MEANS ON SAID BODY FOR POURING INTO SAID MOLD A LIQUID FOAMED-IN-PLACE POLYOL-ISOCYANATE RESIN SYSTEM.
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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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |