US2477997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular joint
Assignee: Reconstruction Finance Corp
•
Filing: 1945-08-10
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Granted: 1949-08-02
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Expires: 1965-08-10
Abstract
No abstract record available.
Inventors
- 👤 Mcarthur Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:47
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/02; A47C4/03; A47C5/00; A47C5/04; A47C5/043; A47C5/10; F; F16; F16B; F16B12/00; F16B12/40; A47B; A47B2230/00; A47B2230/15; Y; Y10; Y10T; Y10T403/00; Y10T403/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191123255A
Cited
FR535770A
Cited
US1932794A
Cited
US2018539A
Cited
US2035489A
Cited
US2230889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |