US2528280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of fabricating tubular fittings
Assignee: Individual
•
Filing: 1946-05-22
•
Granted: 1950-10-31
•
Expires: 1966-05-22
Abstract
No abstract record available.
Inventors
- 👤 Gilbert T Lyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:11
CPC Classifications
F; F16; F16L; F16L15/00; F16L15/006; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL43262C
Cited
US1146664A
Cited
US1215965A
Cited
US1825042A
Cited
US2072591A
Cited
GB513749A
Cited
US2341006A
Cited
US2257427A
Cited
US2315294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |