US2485208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete placement apparatus
Assignee: Chain Belt Co
•
Filing: 1947-11-17
•
Granted: 1949-10-18
•
Expires: 1967-11-17
Abstract
No abstract record available.
Inventors
- 👤 Charles I Longenecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:50
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/02; F04B15/00; F04B15/02; F04B15/023; F04B53/00; F04B53/10; F04B53/102; F04B53/103; F04B53/16; F04B53/162; F04B53/164; Y; Y10; Y10S; Y10S417/00; Y10S417/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1483143A
Cited
US1991342A
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US2012944A
Cited
US2087679A
Cited
US2061425A
Cited
US2123583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |