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Patent US2616645A successfully refreshed from Google Patents.
US2616645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe hanger
Assignee: KINDORF CO
•
Filing: 1948-01-13
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Granted: 1952-11-04
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Expires: 1968-01-13
Abstract
No abstract record available.
Inventors
- 👤 Harry L Kindorf
- 👤 Orlan C Kindorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:04
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/08; F16L3/10; F16L3/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |