US2771824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite floor and deck covering construction
Assignee: CROSSFIELD PRODUCTS Corp
•
Filing: 1950-03-09
•
Granted: 1956-11-27
•
Expires: 1970-03-09
Abstract
No abstract record available.
Inventors
- 👤 Harold K Patch
- 👤 Richard J Grundy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:42
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0057; E; E04; E04F; E04F15/00; E04F15/12; B29L; B29L2031/00; B29L2031/30; B29L2031/3005; B29L2031/3017; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24025; Y10T428/24273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US82236A
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US1319879A
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US1968246A
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GB497185A
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US2142463A
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US2234058A
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US2411328A
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US2432987A
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US2605204A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |