US2686067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concealed swivel joint
Assignee: International Projector Corp
•
Filing: 1950-03-18
•
Granted: 1954-08-10
•
Expires: 1970-03-18
Abstract
No abstract record available.
Inventors
- 👤 Stephans J Larry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:22
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/30; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32213; Y10T403/32975; Y10T403/32983
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US770898A
Cited
US933132A
Cited
US960723A
Cited
US1441045A
Cited
US1713993A
Cited
GB474459A
Cited
US2220215A
Cited
US2216408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |