US3263638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rescue safety ring and safety loop
Assignee: Individual
•
Filing: 1964-06-15
•
Granted: 1966-08-02
•
Expires: 1984-06-15
Abstract
No abstract record available.
Inventors
- 👤 Cressman Luther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:33
CPC Classifications
B; B63; B63C; B63C7/00; B63C7/06; B63C7/08; B63B; B63B2221/00; B63B2221/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1274230A
Cited
US1740231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |