US2801454A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Form wall panel
Assignee: TROIEL COMPANIES Inc
•
Filing: 1951-05-21
•
Granted: 1957-08-06
•
Expires: 1971-05-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Troiel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:54
CPC Classifications
E; E04; E04G; E04G9/00; E04G9/02; E04G9/06; E04G2009/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1970547A
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GB509624A
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US2574274A
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US2516318A
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US2506485A
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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) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |