US3380762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated pipe joint
Assignee: Bonded Products Inc
•
Filing: 1965-09-22
•
Granted: 1968-04-30
•
Expires: 1985-09-22
Abstract
No abstract record available.
Inventors
- 👤 Hanford Z Hight
- 👤 Peter J Kassak
- 👤 Lesky Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:36
CPC Classifications
F; F16; F16L; F16L25/00; F16L25/02; F16L25/028; F16L59/00; F16L59/14; F16L59/16; F16L59/168; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49748
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1743338A
Cited
US2379990A
Cited
US2680631A
Cited
US2924546A
Cited
DE965005C
Cited
FR1150700A
Cited
US2940787A
Cited
NL280039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |