US2719623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steadying device
Assignee: Hall China Co
•
Filing: 1952-09-13
•
Granted: 1955-10-04
•
Expires: 1972-09-13
Abstract
No abstract record available.
Inventors
- 👤 James A Bower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:37
CPC Classifications
B; B28; B28B; B28B5/00; B28B5/02; B28B5/021; B28B5/022; B28B5/023; B65; B65G; B65G47/00; B65G2811/00; B65G2811/06; B65G2811/0673; B65G2811/0678; B65G2811/0684
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE263527C
Cited
US1984685A
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 |