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US3453707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of sliding-mould concrete casting,and a sliding mould for use in such casting
Assignee: Individual
•
Filing: 1966-02-21
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Granted: 1969-07-08
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Expires: 1986-02-21
Abstract
No abstract record available.
Inventors
- 👤 Rolf Gustav Johansson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:13
CPC Classifications
E; E04; E04G; E04G11/00; E04G11/06; E04G11/20; E04G11/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1307470A
Cited
US1619321A
Cited
US1891160A
Cited
US2705359A
Cited
US3252199A
Cited
US3245648A
Cited
US3224065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |