Patent US2494674A successfully refreshed from Google Patents.
US2494674A
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US
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Glass severing mechanism
Assignee: Individual
•
Filing: 1948-02-09
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Granted: 1950-01-17
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Expires: 1968-02-09
Abstract
No abstract record available.
Inventors
- 👤 Smith Arthur Ronald
- 👤 Lee George Arthur
- 👤 Hopkins Cyril John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:39
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/92; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/307; Y10T225/321; Y10T225/325
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |