US2608029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for tempering curved glass sheets
Assignee: Blue Ridge Glass Corp
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Filing: 1947-06-24
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Granted: 1952-08-26
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Expires: 1967-06-24
Abstract
No abstract record available.
Inventors
- 👤 Theodore W Glynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:45
CPC Classifications
C; C03; C03B; C03B27/00; C03B27/04; C03B27/044; C03B27/0442; C03B27/0445
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) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |