Patent US830238A successfully refreshed from Google Patents.
US830238A
Expired / Lapsed
US
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Undercutter-support.
Assignee: Individual
•
Filing: 1905-12-23
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Granted: 1906-09-04
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Expires: 1925-12-23
Abstract
No abstract record available.
Inventors
- 👤 Frank H Lamb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:14
CPC Classifications
B; B27; B27B; B27B11/00; B27B11/02; B27B11/04; F; F16; F16B; F16B7/00; F16B7/04; F16B7/044; F16B7/048; F16B7/0493; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32286
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) | 1909-09-03 | 1910-03-05 | 1910-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-09-03 | 1914-03-05 | 1914-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-09-03 | 1918-03-05 | 1918-09-04 | $7700.00 | Window Closed / Lapsed |