US2470009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe
Assignee: Lock Joint Pipe Co
•
Filing: 1944-06-29
•
Granted: 1949-05-10
•
Expires: 1964-06-29
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Loomis Goff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:46
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/08; F16L25/00; F16L25/0027; Y; Y10; Y10S; Y10S52/00; Y10S52/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1609660A
Cited
US1770180A
Cited
US2102968A
Cited
US2236108A
Cited
US2296560A
Cited
US2348477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |