Patent US3778969A successfully refreshed from Google Patents.
Patent US1985737A successfully refreshed from Google Patents.
US1985737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of manufacturing of light nailable bricks
Assignee: Individual
•
Filing: 1932-01-09
•
Granted: 1934-12-25
•
Expires: 1952-01-09
Abstract
No abstract record available.
Inventors
- 👤 Mayr Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:47
CPC Classifications
C; C04; C04B; C04B38/00; C04B38/06; C04B38/063; C04B2111/00; C04B2111/30
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) | 1937-12-24 | 1938-06-25 | 1938-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-12-24 | 1942-06-25 | 1942-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-12-24 | 1946-06-25 | 1946-12-25 | $7700.00 | Window Closed / Lapsed |