US3522923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic panel supporting and securing devices
Assignee: Individual
•
Filing: 1966-11-14
•
Granted: 1970-08-04
•
Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Roger Charpentier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:50
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/22; E04B9/24; E04B9/248; E04B9/34; E04B9/36; E04B9/363; Y; Y10; Y10S; Y10S55/00; Y10S55/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1931713A
Cited
US2230349A
Cited
US2268023A
Cited
GB707817A
Cited
US2888291A
Cited
FR1314564A
Cited
FR1362162A
Cited
US3229844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |