US1894526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Header mechanism
Assignee: Waterbury Farrel Foundry and Machine Co
•
Filing: 1927-06-20
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Granted: 1933-01-17
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Expires: 1947-06-20
Abstract
No abstract record available.
Inventors
- 👤 Wilcox Richard Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:37
CPC Classifications
B; B21; B21J; B21J9/00; B21J9/02; B21J9/06; B21G; B21G3/00; B21G3/18; B21G3/20; B21G3/22; B21K; B21K27/00; B21K27/02; B21K27/04; B21K27/06; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5116; Y10T29/5121
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) | 1936-01-17 | 1936-07-18 | 1937-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-01-17 | 1940-07-18 | 1941-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-01-17 | 1944-07-18 | 1945-01-17 | $7700.00 | Window Closed / Lapsed |