US1291388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft-joint and method of forming the same.
Assignee: ARVAC Manufacturing Co
•
Filing: 1918-06-17
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Granted: 1919-01-14
•
Expires: 1938-06-17
Abstract
No abstract record available.
Inventors
- 👤 Roberts O Bright
- 👤 Charles D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:08
CPC Classifications
E; E21; E21B; E21B17/00; F; F16; F16D; F16D1/00; F16D1/06; F16D1/064; F16D1/072; F16C; F16C3/00; F16C3/02; F16C3/023; F16D1/08; F16D1/0876; F16D3/00; F16D3/16; F16D3/26; F16D3/38; F16D3/382; F16D3/387; Y; Y10; Y10S; Y10S29/00; Y10S29/035; Y10S56/00; Y10S56/06; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T403/00; Y10T403/47; Y10T403/471; Y10T403/477; Y10T403/48
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) | 1922-01-13 | 1922-07-15 | 1923-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-01-13 | 1926-07-15 | 1927-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-01-13 | 1930-07-15 | 1931-01-14 | $7700.00 | Window Closed / Lapsed |