US2542129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural member
Assignee: Individual
•
Filing: 1947-07-12
•
Granted: 1951-02-20
•
Expires: 1967-07-12
Abstract
No abstract record available.
Inventors
- 👤 Maurice C Fletcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:11
CPC Classifications
B; B65; B65D; B65D19/00; B65D19/0004; B65D19/0006; B65D19/003; B65D19/0032; B65D19/0036; B65D19/0038; B65D2519/00; B65D2519/00004; B65D2519/00009; B65D2519/00014; B65D2519/00024; B65D2519/00049; B65D2519/00059; B65D2519/00084; B65D2519/00099; B65D2519/00258; B65D2519/00263; B65D2519/00278; B65D2519/00283; B65D2519/00293; B65D2519/00313; B65D2519/00323; B65D2519/00328; B65D2519/00343; B65D2519/00368; B65D2519/00373; B65D2519/00547; B65D2519/00552; B65D2519/00557; B65D2519/00562; B65D2519/00572
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US156470A
Cited
US624828A
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US893703A
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US1612382A
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US2306752A
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US2369944A
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US2388730A
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US2455197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |