US2659412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means and method for producing a continuous sheet of integrated mica
Assignee: Individual
•
Filing: 1950-12-15
•
Granted: 1953-11-17
•
Expires: 1970-12-15
Abstract
No abstract record available.
Inventors
- 👤 Moses D Heyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:22
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/32; B28D1/322; D; D21; D21H; D21H13/00; D21H13/36; D21H13/38; D21H13/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |