Patent US640948A successfully refreshed from Google Patents.
US640948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaping attachment for planers.
Assignee: Individual
•
Filing: 1898-03-16
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Granted: 1900-01-09
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Expires: 1918-03-16
Abstract
No abstract record available.
Inventors
- 👤 Homer Wesley Rightmyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:41
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/20; Y; Y10; Y10T; Y10T409/00; Y10T409/50; Y10T409/500164; Y10T409/504756; Y10T409/505412; Y10T409/505904; Y10T409/508036; Y10T409/5082; Y10T409/508364; Y10T409/508528
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) | 1903-01-09 | 1903-07-11 | 1904-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-01-09 | 1907-07-11 | 1908-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-01-09 | 1911-07-11 | 1912-01-10 | $7700.00 | Window Closed / Lapsed |