US2140772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spline and connecter
Assignee: INGLESIDE Co
•
Filing: 1937-05-17
•
Granted: 1938-12-20
•
Expires: 1957-05-17
Abstract
No abstract record available.
Inventors
- 👤 Slayter Games
- 👤 Howard W Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:05
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B1/10; Y; Y10; Y10S; Y10S425/00; Y10S425/107; Y10S425/129
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) | 1941-12-19 | 1942-06-20 | 1942-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-12-19 | 1946-06-20 | 1946-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-12-19 | 1950-06-20 | 1950-12-20 | $7700.00 | Window Closed / Lapsed |