US3523538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrest device
Assignee: Individual
•
Filing: 1966-12-06
•
Granted: 1970-08-11
•
Expires: 1986-12-06
Abstract
No abstract record available.
Inventors
- 👤 Kunio Shimizu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:58
CPC Classifications
F; F41; F41H; F41H13/00; F41H13/0012; F41H13/0031; F41B; F41B15/00; F41B15/02; F41B15/04; F41H13/0018; F41H13/0025; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B30/00; F42B30/14
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) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |