US1840100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processing apparatus
Assignee: Pfaudler Inc
•
Filing: 1929-01-24
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Granted: 1932-01-05
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Expires: 1949-01-24
Abstract
No abstract record available.
Inventors
- 👤 Jens N Jacobsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:59
CPC Classifications
A; A01; A01J; A01J11/00; A23; A23B; A23B11/00; A23B11/10; A23B11/12; A23B11/13; A23B11/1303; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/2937; Y10T137/2978; Y10T137/4238; Y10T137/4245; Y10T137/4266; Y10T137/8158; Y10T137/8342
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) | 1935-01-04 | 1935-07-06 | 1936-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-01-04 | 1939-07-06 | 1940-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-01-04 | 1943-07-06 | 1944-01-05 | $7700.00 | Window Closed / Lapsed |