Patent US1653429A successfully refreshed from Google Patents.
Patent US1281946A successfully refreshed from Google Patents.
US1281946A
Expired / Lapsed
US
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Casting apparatus.
Assignee: HENRY H VAUGHAN
•
Filing: 1918-06-17
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Granted: 1918-10-15
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Expires: 1938-06-17
Abstract
No abstract record available.
Inventors
- 👤 Patrick Henry Griffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:13
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/22; B22C9/28; Y; Y10; Y10S; Y10S164/00; Y10S164/14
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) | 1921-10-14 | 1922-04-15 | 1922-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-10-14 | 1926-04-15 | 1926-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-10-14 | 1930-04-15 | 1930-10-15 | $7700.00 | Window Closed / Lapsed |