US2243687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe fitting
Assignee: Individual
•
Filing: 1939-11-13
•
Granted: 1941-05-27
•
Expires: 1959-11-13
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Sutherland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:59
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/04; F16B7/044; F16B7/048; F16B7/0486; F16L; F16L41/00; F16L41/02; F16L43/00; F16L43/001; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/344; Y10T403/345; Y10T403/346
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-05-26 | 1944-11-25 | 1945-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-05-26 | 1948-11-25 | 1949-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-05-26 | 1952-11-25 | 1953-05-27 | $7700.00 | Window Closed / Lapsed |