US2535427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conduit supporting frame
Assignee: KINDORF CO
•
Filing: 1946-04-02
•
Granted: 1950-12-26
•
Expires: 1966-04-02
Abstract
No abstract record available.
Inventors
- 👤 Harry L Kindorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:44
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/22; F16L3/221; F16L3/223; F16L3/227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US279249A
Cited
US691599A
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GB153973A
Cited
US1850118A
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US1819970A
Cited
US1888155A
Cited
US2177699A
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US2345650A
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US2367750A
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US2439067A
Cited
US2375513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |