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US2747931A
Expired / Lapsed
US
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Gun shroud
Assignee: Wald Indusries Inc
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Filing: 1952-05-27
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Granted: 1956-05-29
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Expires: 1972-05-27
Abstract
No abstract record available.
Inventors
- 👤 Rufus W Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:09
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/16; E01C23/20; E01C23/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1741169A
Cited
US1720273A
Cited
US2035677A
Cited
US2401431A
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US2515865A
Cited
US2518952A
Cited
US2555826A
Cited
US2647793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |