US2737204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conduit structure
Assignee: Individual
•
Filing: 1952-09-16
•
Granted: 1956-03-06
•
Expires: 1972-09-16
Abstract
No abstract record available.
Inventors
- 👤 Bonte Fred E La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:52
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/08; F16L3/10; F16L3/1091; F16L3/12; F16L3/13; F16L3/22; F16L59/00; F16L59/14; F16L59/15; F16L9/00; F16L9/006; F16L9/12; F16L9/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US697845A
Cited
GB191408533A
Cited
US1744102A
Cited
US2230688A
Cited
US2243273A
Cited
US2299111A
Cited
US2400493A
Cited
US2456400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |