Patent US947590A successfully refreshed from Google Patents.
US947590A
Expired / Lapsed
US
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Ceiling and floor construction.
Assignee: Individual
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Filing: 1908-01-03
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Granted: 1910-01-25
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Expires: 1928-01-03
Abstract
No abstract record available.
Inventors
- 👤 Charles F Franson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:51
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/0046; E06; E06B; E06B3/00; E06B3/54; E06B3/58; E06B3/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1913-01-24 | 1913-07-26 | 1914-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-01-24 | 1917-07-26 | 1918-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-01-24 | 1921-07-26 | 1922-01-25 | $7700.00 | Window Closed / Lapsed |