Patent US2297347A successfully refreshed from Google Patents.
US2297347A
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Assignee: ALICE CAROL CRUICKSHANK
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Filing: 1942-02-02
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Granted: 1942-09-29
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Expires: 1962-02-02
Abstract
No abstract record available.
Inventors
- 👤 Cruickshank James Harmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:52
CPC Classifications
B; B65; B65D; B65D19/00; B65D19/0004; B65D19/0053; B65D19/0077; B65D19/0089; B65D19/0093; B65D19/0095; B65D2519/00; B65D2519/00004; B65D2519/00009; B65D2519/00014; B65D2519/00029; B65D2519/00049; B65D2519/00064; B65D2519/00084; B65D2519/00099; B65D2519/00258; B65D2519/00263; B65D2519/00278; B65D2519/00283; B65D2519/00293; B65D2519/00298; B65D2519/00313; B65D2519/00323; B65D2519/00328; B65D2519/00333; B65D2519/00353; B65D2519/00368; B65D2519/00378; B65D2519/00398; B65D2519/00432; B65D2519/00547; B65D2519/00552; B65D2519/00572
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-09-28 | 1946-03-30 | 1946-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-28 | 1950-03-30 | 1950-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-28 | 1954-03-30 | 1954-09-29 | $7700.00 | Window Closed / Lapsed |