US2622272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for beading silver chloride sheets
Assignee: AT&T Inc
•
Filing: 1947-05-14
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Granted: 1952-12-23
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Expires: 1967-05-14
Abstract
No abstract record available.
Inventors
- 👤 Horace E Haring
- 👤 Raymond L Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:18
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/47; B29C66/474; B29C65/00; B29C65/56; B29C65/567; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/80; B29C66/82; B29C66/822; B29C66/8226; B29C66/82265; B29C66/83; B29C66/832; B29C66/8322; B29C70/00; B29C70/58; B29C70/64; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/109; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1734; Y10T156/1744; Y10T156/1751; Y10T156/1754; Y10T156/1759; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49934; Y10T29/49945
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) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |