US2993079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heating method and apparatus for uniformly heating glass
Assignee: OI Glass Inc
•
Filing: 1957-04-15
•
Granted: 1961-07-18
•
Expires: 1977-04-15
Abstract
No abstract record available.
Inventors
- 👤 Herbert M Augsburger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:48
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/02; C03B5/027; C03B5/0275; C03B5/03; C03B5/031; Y; Y10; Y10S; Y10S65/00; Y10S65/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1999744A
Cited
US2018885A
Cited
US2413037A
Cited
US2773111A
Cited
US2594972A
Cited
US2767735A
Cited
US2749378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |