Patent US3810346A successfully refreshed from Google Patents.
Patent US2625978A successfully refreshed from Google Patents.
US2625978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated shingle producing machine
Assignee: MULTI SHINGLE Corp
•
Filing: 1949-03-23
•
Granted: 1953-01-20
•
Expires: 1969-03-23
Abstract
No abstract record available.
Inventors
- 👤 Patterson Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:25
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/74; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1751; Y10T156/1754; Y10T156/1759; Y10T156/1768
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1265315A
Cited
US2080386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |