US2945568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Partition structure
Assignee: Individual
•
Filing: 1954-01-20
•
Granted: 1960-07-19
•
Expires: 1974-01-20
Abstract
No abstract record available.
Inventors
- 👤 Chasteney Ruth Goodhue
- 👤 Pankstela Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:35
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/82; E04B2/821; E04B2002/749
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2472981A
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DE472836C
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US151841A
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US1219208A
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US2010294A
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US2202861A
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US2107624A
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US2397940A
Cited
US2629139A
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US2741341A
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US2752641A
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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) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |