Patent US2018553A successfully refreshed from Google Patents.
US2018553A
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Assignee: BAKER BROTHERS Inc
•
Filing: 1930-05-15
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Granted: 1935-10-22
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Expires: 1950-05-15
Abstract
No abstract record available.
Inventors
- 👤 George E Hallenbeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:13
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/32; B23Q2705/00; B23Q2705/10; B23Q2705/16; B23Q2705/165; Y; Y10; Y10T; Y10T408/00; Y10T408/13; Y10T408/14; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/65; Y10T408/675; Y10T408/6757
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) | 1938-10-21 | 1939-04-22 | 1939-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-10-21 | 1943-04-22 | 1943-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-10-21 | 1947-04-22 | 1947-10-22 | $7700.00 | Window Closed / Lapsed |