Patent US1032610A successfully refreshed from Google Patents.
Patent US3049795A successfully refreshed from Google Patents.
US3049795A
Expired / Lapsed
US
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Gas permeable body
Assignee: Individual
•
Filing: 1958-05-02
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Granted: 1962-08-21
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Expires: 1978-05-02
Abstract
No abstract record available.
Inventors
- 👤 Emery I Valyi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:50
CPC Classifications
B; B22; B22F; B22F7/00; B22F7/002; Y; Y10; Y10S; Y10S165/00; Y10S165/905; Y10S165/907; Y10T; Y10T29/00; Y10T29/49; Y10T29/49348; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12042; Y10T428/12347; Y10T428/12493; Y10T428/12708; Y10T428/12715; Y10T428/12771; Y10T428/12861; Y10T428/12903
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) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |