Patent US2774081A successfully refreshed from Google Patents.
US2774081A
Expired / Lapsed
US
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Constructions for demountable cribs
Assignee: Individual
•
Filing: 1953-10-08
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Granted: 1956-12-18
•
Expires: 1973-10-08
Abstract
No abstract record available.
Inventors
- 👤 Eino J Lukala
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:08
CPC Classifications
A; A47; A47D; A47D7/00; A47D7/01; A47D7/02; A47D9/00; A47D9/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US491243A
Cited
GB242540A
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GB419613A
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GB518536A
Cited
US2282484A
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US2312185A
Cited
US2341451A
Cited
US2474360A
Cited
US2522001A
Cited
US2588901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |