US2407581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asbestos sheet material
Assignee: Philip Carey Manufacturing Co
•
Filing: 1945-02-09
•
Granted: 1946-09-10
•
Expires: 1965-02-09
Abstract
No abstract record available.
Inventors
- 👤 Marion F Smith
- 👤 Harold W Greider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:48
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B26/28; C04B28/00; C04B28/003; Y; Y10; Y10T; Y10T442/00; Y10T442/50
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1949-09-09 | 1950-03-11 | 1950-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-09-09 | 1954-03-11 | 1954-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-09-09 | 1958-03-11 | 1958-09-10 | $7700.00 | Window Closed / Lapsed |