Patent US1536822A successfully refreshed from Google Patents.
US1536822A
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Assignee: American Casting and Manufacturing Corp
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Filing: 1923-08-21
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Granted: 1925-05-05
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Expires: 1943-08-21
Abstract
No abstract record available.
Inventors
- 👤 Dietze Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:29
CPC Classifications
G; G09; G09F; G09F3/00; G09F3/02; G09F3/03; G09F3/0305; G09F3/0347; G09F3/0358; Y; Y10; Y10T; Y10T292/00; Y10T292/48; Y10T292/4945; Y10T292/496; Y10T292/502; Y10T292/503
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) | 1928-05-04 | 1928-11-03 | 1929-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-05-04 | 1932-11-03 | 1933-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-05-04 | 1936-11-03 | 1937-05-05 | $7700.00 | Window Closed / Lapsed |