Patent US1333337A successfully refreshed from Google Patents.
US1333337A
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Method of making bearings
Assignee: DOEHLER DIE CASTING CO
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Filing: 1918-11-15
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Granted: 1920-03-09
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Expires: 1938-11-15
Abstract
No abstract record available.
Inventors
- 👤 Pack Charles
- 👤 Herman H Doehler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:35
CPC Classifications
B; B22; B22D; B22D19/00; B22D19/08; B22D19/085; Y; Y10; Y10S; Y10S164/00; Y10S164/02; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/49677; Y10T29/49705; Y10T29/49709
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) | 1923-03-09 | 1923-09-08 | 1924-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-03-09 | 1927-09-08 | 1928-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-03-09 | 1931-09-08 | 1932-03-09 | $7700.00 | Window Closed / Lapsed |