US3459276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rope device for fire escape
Assignee: Individual
•
Filing: 1967-10-17
•
Granted: 1969-08-05
•
Expires: 1987-10-17
Abstract
No abstract record available.
Inventors
- 👤 Kiichiro Fuse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:20
CPC Classifications
A; A62; A62B; A62B1/00; A62B1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US284763A
Cited
US327111A
Cited
US339647A
Cited
US358125A
Cited
US1128025A
Cited
US2544964A
Cited
US3022856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |