Patent US2882057A successfully refreshed from Google Patents.
US2882057A
Expired / Lapsed
US
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Selective multi-section ball shutter
Assignee: American National Bank and Trust Co
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Filing: 1954-06-28
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Granted: 1959-04-14
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Expires: 1974-06-28
Abstract
No abstract record available.
Inventors
- 👤 Donald E Hooker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:20
CPC Classifications
A; A63; A63F; A63F7/00; A63F7/0058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1986152A
Cited
US2088258A
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US2074513A
Cited
US2134185A
Cited
US2130123A
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US2233612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |