US2814533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shingling scaffold
Assignee: Individual
•
Filing: 1954-02-04
•
Granted: 1957-11-26
•
Expires: 1974-02-04
Abstract
No abstract record available.
Inventors
- 👤 Samuel E Van Horn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:56
CPC Classifications
E; E04; E04G; E04G3/00; E04G3/24; E04G3/26; Y; Y10; Y10S; Y10S187/00; Y10S187/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US530165A
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US536232A
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US537396A
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US687633A
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US710281A
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US723229A
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US808171A
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US1160721A
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US1412060A
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US1650324A
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US2644593A
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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) | 1960-11-25 | 1961-05-27 | 1961-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-25 | 1965-05-27 | 1965-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-25 | 1969-05-27 | 1969-11-26 | $7700.00 | Window Closed / Lapsed |