US2441364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural member and system
Assignee: Individual
•
Filing: 1944-09-09
•
Granted: 1948-05-11
•
Expires: 1964-09-09
Abstract
No abstract record available.
Inventors
- 👤 Edward B Maynard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:00
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/04; E04C2/06; E04B; E04B2/00; E04B2/02; E04B2/04; E04B2/06; E04B2/08; E04B2002/0202; E04B2002/0204; E04B2002/0208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US758417A
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US850602A
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US861499A
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US1053415A
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US1208983A
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US1514081A
Cited
US1886962A
Cited
US1890532A
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US1988856A
Cited
US2100451A
Cited
US2309149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-11 | 1951-11-10 | 1952-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-11 | 1955-11-10 | 1956-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-11 | 1959-11-10 | 1960-05-11 | $7700.00 | Window Closed / Lapsed |