US2424597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable device
Assignee: Kidde Manufacturing Co Inc
•
Filing: 1941-12-13
•
Granted: 1947-07-29
•
Expires: 1961-12-13
Abstract
No abstract record available.
Inventors
- 👤 John A Werry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:20
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/08; B63C9/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191502104A
Cited
GB110668A
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US1230290A
Cited
US1367225A
Cited
US1425475A
Cited
US1609677A
Cited
US1798430A
Cited
US2084636A
Cited
US2128423A
Cited
US2165300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-28 | 1951-01-27 | 1951-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-28 | 1955-01-27 | 1955-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-28 | 1959-01-27 | 1959-07-29 | $7700.00 | Window Closed / Lapsed |