US2719741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slack adjuster
Assignee: American Steel Foundries
•
Filing: 1951-06-16
•
Granted: 1955-10-04
•
Expires: 1971-06-16
Abstract
No abstract record available.
Inventors
- 👤 John A Buvelot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:29
CPC Classifications
B; B61; B61H; B61H15/00; B61H15/0064; B61H15/0071; B61H15/0085; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32057
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US897676A
Cited
US1156997A
Cited
US1683516A
Cited
US1934910A
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US2217533A
Cited
US2341394A
Cited
US2403512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-03 | 1959-04-04 | 1959-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-03 | 1963-04-04 | 1963-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-03 | 1967-04-04 | 1967-10-04 | $7700.00 | Window Closed / Lapsed |