Patent US3475265A successfully refreshed from Google Patents.
US3475265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightweight mold for the forming of concrete
Assignee: Schokbeton Products Corp
•
Filing: 1966-02-28
•
Granted: 1969-10-28
•
Expires: 1986-02-28
Abstract
No abstract record available.
Inventors
- 👤 George J Santry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:57
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/34; Y; Y10; Y10S; Y10S52/00; Y10S52/07; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3097080A
Cited
US3295818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |