US2742778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furring devices
Assignee: Individual
•
Filing: 1955-02-02
•
Granted: 1956-04-24
•
Expires: 1975-02-02
Abstract
No abstract record available.
Inventors
- 👤 Olaf J Olmstead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:17
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/02; E04F13/04; E04F13/06; Y; Y10; Y10S; Y10S411/00; Y10S411/92
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1724307A
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USRE19431E
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US1768547A
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US1878812A
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US1987568A
Cited
US2013101A
Cited
US2007842A
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US2204006A
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US2431104A
Cited
US2553379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |