US2815832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural member and assemblies thereof
Assignee: Proctor and Schwartz Inc
•
Filing: 1954-05-28
•
Granted: 1957-12-10
•
Expires: 1974-05-28
Abstract
No abstract record available.
Inventors
- 👤 Phillips K Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:32
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/76; E04B2/78; E04B2/7854; E04B2/7863; E04H; E04H1/00; E04H1/12; E04H1/1205; E04H1/1238; E04B2002/7461; E04B2002/7462
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US849817A
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US997214A
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US1540105A
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US1906096A
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US1876756A
Cited
US2103407A
Cited
US2087867A
Cited
US2282964A
Cited
US2218428A
Cited
US2430654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |