US2854829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal joint
Assignee: WARREN E SWARTHOUT
•
Filing: 1957-07-15
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Granted: 1958-10-07
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Expires: 1977-07-15
Abstract
No abstract record available.
Inventors
- 👤 Donald C Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:25
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; B; B24; B24B; B24B45/00; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0619; F16C11/0623; F16C11/0628; F16C11/0633; F16C11/0638; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32163; Y10T403/32172; Y10T403/32181; Y10T403/32606; Y10T403/32631; Y10T403/32737; Y10T403/70; Y10T403/7026; Y10T403/7035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |