US2424835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for surfacing small parts
Assignee: Hamilton Watch Co
•
Filing: 1945-02-10
•
Granted: 1947-07-29
•
Expires: 1965-02-10
Abstract
No abstract record available.
Inventors
- 👤 Luckey George Paul
- 👤 Schwalm Theodore Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:30
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/08; B23Q3/086; B24; B24B; B24B41/00; B24B41/06; B24B41/068; Y; Y10; Y10S; Y10S425/00; Y10S425/033; Y10T; Y10T29/00; Y10T29/49; Y10T29/49579; Y10T29/4981; Y10T29/49998; Y10T83/00; Y10T83/748
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-28 | 1951-01-27 | 1951-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-28 | 1955-01-27 | 1955-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-28 | 1959-01-27 | 1959-07-29 | $7700.00 | Window Closed / Lapsed |