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US2838791A
Expired / Lapsed
US
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Molds for forming plaques
Assignee: Individual
•
Filing: 1954-06-15
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Granted: 1958-06-17
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Expires: 1974-06-15
Abstract
No abstract record available.
Inventors
- 👤 Irene H Theis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:08
CPC Classifications
B; B44; B44C; B44C3/00; B44C3/04; B44C3/042; B28; B28B; B28B7/00; B28B7/0064; B28B7/34; B28B7/346; B29; B29C; B29C33/00; B29C33/38; B29C33/3842; B29C33/42; B29C33/3857; B29C2033/3871; B29C39/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US286118A
Cited
US574450A
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US1225179A
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US2082451A
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US2154169A
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US2147770A
Cited
US2181452A
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US2611170A
Cited
US2558823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |