US2930407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated piping
Assignee: Individual
•
Filing: 1957-06-10
•
Granted: 1960-03-29
•
Expires: 1977-06-10
Abstract
No abstract record available.
Inventors
- 👤 Conley John
- 👤 Glen W Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:21
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/14; F16L59/141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2172612A
Cited
US951342A
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US1218895A
Cited
US1140633A
Cited
US1890418A
Cited
US2451146A
Cited
US2468902A
Cited
US2419278A
Cited
US2613166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |