Patent US3699957A successfully refreshed from Google Patents.
US3053413A
Expired / Lapsed
US
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Device for rupturing glass seals
Assignee: Canrad Precision Industries Inc
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Filing: 1961-03-13
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Granted: 1962-09-11
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Expires: 1981-03-13
Abstract
No abstract record available.
Inventors
- 👤 Feuer Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:33
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/56; B01L3/569; B67; B67B; B67B7/00; Y; Y10; Y10S; Y10S137/00; Y10S137/91; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1692
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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |