US2461828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extension joint
Assignee: LAWRENCE E OSTROM
•
Filing: 1946-05-13
•
Granted: 1949-02-15
•
Expires: 1966-05-13
Abstract
No abstract record available.
Inventors
- 👤 Lomelino George Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:35
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/12; F16L27/127; F16L27/1274
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US130216A
Cited
US433489A
Cited
US827951A
Cited
GB189517848A
Cited
US1030237A
Cited
GB380035A
Cited
GB406685A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-15 | 1952-08-16 | 1953-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-15 | 1956-08-16 | 1957-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-15 | 1960-08-16 | 1961-02-15 | $7700.00 | Window Closed / Lapsed |