US3480493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for spray foam insulating a pipe
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1965-08-27
•
Granted: 1969-11-25
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Expires: 1985-08-27
Abstract
No abstract record available.
Inventors
- 👤 Richard H Bauer
- 👤 Richard Kilpert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:55
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/14; F16L59/16; F16L59/18; F16L59/20; F16L59/02; F16L59/04; F16L59/143; Y; Y10; Y10S; Y10S138/00; Y10S138/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1988628A
Cited
US2863204A
Cited
US2857931A
Cited
US3009209A
Cited
US3041700A
Cited
US3307590A
Cited
US3316587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |