Patent US4401763A successfully refreshed from Google Patents.
Patent US4098974A successfully refreshed from Google Patents.
Patent US1622908A successfully refreshed from Google Patents.
Patent DE764339C successfully refreshed from Google Patents.
Patent US2472199A successfully refreshed from Google Patents.
US2472199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distributor for bitumen and like material
Assignee: E D Etnyre and Co
•
Filing: 1945-12-08
•
Granted: 1949-06-07
•
Expires: 1965-12-08
Abstract
No abstract record available.
Inventors
- 👤 George M Etnyre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:49
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/16; E01C19/17; E01C19/176
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1325513A
Cited
US1114592A
Cited
US1851538A
Cited
US1743245A
Cited
US1888072A
Cited
US2046373A
Cited
US2153356A
Cited
US2256639A
Cited
US2342120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |