US2959894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of sealing glass members together
Assignee: US Philips Corp
•
Filing: 1956-09-28
•
Granted: 1960-11-15
•
Expires: 1976-09-28
Abstract
No abstract record available.
Inventors
- 👤 Pieter Van Zonneveld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:04
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/20; C03B23/207; C03B23/217; Y; Y10; Y10S; Y10S269/00; Y10S269/908
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |