Patent US2708539A successfully refreshed from Google Patents.
US2515445A
Expired / Lapsed
US
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Glass cutting machine
Assignee: Dearborn Glass Co
•
Filing: 1947-05-07
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Granted: 1950-07-18
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Expires: 1967-05-07
Abstract
No abstract record available.
Inventors
- 👤 Vernon M Gilstrap
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:42
CPC Classifications
C; C03; C03B; C03B33/00; C03B33/02; C03B33/04; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/556; Y10T408/65; Y10T408/675; Y10T83/00; Y10T83/02; Y10T83/0333; Y10T83/0385; Y10T83/869; Y10T83/8776
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE260072C
Cited
US1972210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |