US2765768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cement handling apparatus
Assignee: United Shoe Machinery Corp
•
Filing: 1953-01-06
•
Granted: 1956-10-09
•
Expires: 1973-01-06
Abstract
No abstract record available.
Inventors
- 👤 Hans C Paulsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:04
CPC Classifications
B; B29; B29B; B29B13/00; B29B13/02; B29B13/022
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US19116A
Cited
US622801A
Cited
US1980589A
Cited
US1337640A
Cited
US1632165A
Cited
US1954343A
Cited
US2200930A
Cited
US2207426A
Cited
US2270891A
Cited
US2330282A
Cited
US2301202A
Cited
US2347674A
Cited
US2407208A
Cited
US2548009A
Cited
US2567960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |