Patent US1641698A successfully refreshed from Google Patents.
US1641698A
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US
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Packer
Assignee: Allis Chalmers Corp
•
Filing: 1922-10-19
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Granted: 1927-09-06
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Expires: 1942-10-19
Abstract
No abstract record available.
Inventors
- 👤 Ernest C Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:54
CPC Classifications
B; B65; B65B; B65B65/00; B65B65/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/18896; Y10T74/19; Y10T74/19642; Y10T74/19688
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) | 1930-09-05 | 1931-03-07 | 1931-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-09-05 | 1935-03-07 | 1935-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-09-05 | 1939-03-07 | 1939-09-06 | $7700.00 | Window Closed / Lapsed |