US2473388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubing coupler
Assignee: Safway Steel Products Inc
•
Filing: 1945-03-08
•
Granted: 1949-06-14
•
Expires: 1965-03-08
Abstract
No abstract record available.
Inventors
- 👤 Ingar G Rambo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:15
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/04; F16B7/0406; F16B7/0413; F16B7/042; Y; Y10; Y10T; Y10T403/00; Y10T403/55; Y10T403/60; Y10T403/602; Y10T403/70; Y10T403/7075; Y10T403/7077
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US144888A
Cited
US156497A
Cited
US310672A
Cited
US526448A
Cited
US534434A
Cited
US612989A
Cited
US691759A
Cited
US763837A
Cited
US958751A
Cited
US1189802A
Cited
US1844410A
Cited
US2243190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |