US993523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for forming roller-bearing cages.
Assignee: Individual
•
Filing: 1910-11-19
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Granted: 1911-05-30
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Expires: 1930-11-19
Abstract
No abstract record available.
Inventors
- 👤 Chester A Heinzelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:55
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/22; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/2628; F; F16; F16C; F16C33/00; F16C33/30; F16C33/46; F16C33/4617; F16C33/4623; F16C33/4629; F16C19/00; F16C19/22; F16C19/34; F16C19/36
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) | 1914-05-29 | 1914-11-28 | 1915-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-05-29 | 1918-11-28 | 1919-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-05-29 | 1922-11-28 | 1923-05-30 | $7700.00 | Window Closed / Lapsed |