Patent US2481679A successfully refreshed from Google Patents.
US2481679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Road building machine
Assignee: Chain Belt Co
•
Filing: 1945-06-26
•
Granted: 1949-09-13
•
Expires: 1965-06-26
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Miller
- 👤 Edwin A C Eickstaedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:57
CPC Classifications
E; E01; E01C; E01C21/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1205948A
Cited
US1225547A
Cited
US1347876A
Cited
US1665789A
Cited
US2041350A
Cited
US1953890A
Cited
US2046417A
Cited
US2169987A
Cited
US2211933A
Cited
US2181320A
Cited
US2203941A
Cited
US2195221A
Cited
US2211263A
Cited
US2397782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-12 | 1953-03-14 | 1953-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-12 | 1957-03-14 | 1957-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-12 | 1961-03-14 | 1961-09-13 | $7700.00 | Window Closed / Lapsed |