Patent US1289674A successfully refreshed from Google Patents.
US1289674A
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Forming and relieving mechanism.
Assignee: HENRI GRAF BUCHLER
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Filing: 1917-04-26
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Granted: 1918-12-31
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Expires: 1937-04-26
Abstract
No abstract record available.
Inventors
- 👤 Oswald Coradi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:19
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/102; Y; Y10; Y10T; Y10T82/00; Y10T82/13; Y10T82/135; Y10T82/14; Y10T82/141
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) | 1921-12-30 | 1922-07-01 | 1922-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-12-30 | 1926-07-01 | 1926-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-12-30 | 1930-07-01 | 1930-12-31 | $7700.00 | Window Closed / Lapsed |