US2576291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for cutting glass disks
Assignee: Individual
•
Filing: 1947-12-26
•
Granted: 1951-11-27
•
Expires: 1967-12-26
Abstract
No abstract record available.
Inventors
- 👤 Arthur T Fletcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:49
CPC Classifications
C; C03; C03B; C03B33/00; C03B33/02; C03B33/04; Y; Y10; Y10T; Y10T408/00; Y10T408/65; Y10T408/675; Y10T83/00; Y10T83/768; Y10T83/7684; Y10T83/7693; Y10T83/7755; Y10T83/7763; Y10T83/7776; Y10T83/869; Y10T83/875; Y10T83/8878; Y10T83/8889
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) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |