US2574274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shuttering for the construction of walls
Assignee: FARRANS Ltd
•
Filing: 1947-08-06
•
Granted: 1951-11-06
•
Expires: 1967-08-06
Abstract
No abstract record available.
Inventors
- 👤 Mcmullan William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:01
CPC Classifications
E; E04; E04G; E04G11/00; E04G11/06; E04G11/08; E04G11/12; E04G17/00; E04G17/001; E04G17/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2099260A
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US2313880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-05 | 1955-05-07 | 1955-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-05 | 1959-05-07 | 1959-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-05 | 1963-05-07 | 1963-11-06 | $7700.00 | Window Closed / Lapsed |