US2538546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal joint
Assignee: Individual
•
Filing: 1947-10-25
•
Granted: 1951-01-16
•
Expires: 1967-10-25
Abstract
No abstract record available.
Inventors
- 👤 Wildhaber Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:35
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/24; Y; Y10; Y10S; Y10S451/00; Y10S451/913; Y10S464/00; Y10S464/904; Y10S464/906; Y10T; Y10T29/00; Y10T29/49; Y10T29/49995; Y10T29/49996
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1627932A
Cited
US1769762A
Cited
US2156106A
Cited
US2362364A
Cited
US2344956A
Cited
US2367221A
Cited
US2382509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-15 | 1954-07-17 | 1955-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-15 | 1958-07-17 | 1959-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-15 | 1962-07-17 | 1963-01-16 | $7700.00 | Window Closed / Lapsed |