US2993301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and process for making glass foil
Assignee: Siemens Schuckertwerke AG
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Filing: 1959-07-30
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Granted: 1961-07-25
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Expires: 1979-07-30
Abstract
No abstract record available.
Inventors
- 👤 Muller Hans Joachim
- 👤 Hanlein Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:04
CPC Classifications
C; C03; C03B; C03B17/00; C03B17/06; C03B17/068; Y; Y10; Y10S; Y10S65/00; Y10S65/05
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) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |