US2696835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conduit construction
Assignee: Individual
•
Filing: 1950-11-04
•
Granted: 1954-12-14
•
Expires: 1970-11-04
Abstract
No abstract record available.
Inventors
- 👤 Edward W Kaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:02
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US797027A
Cited
US1559156A
Cited
US2330966A
Cited
US2360067A
Cited
US2451145A
Cited
US2451146A
Cited
US2423213A
Cited
US2475635A
Cited
US2419278A
Cited
US2592574A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |