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US1564432A
Expired / Lapsed
US
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Device for testing gun barrels and the like
Assignee: FIRM "PAG" AG fur INDUSTRIE und TECHNIK
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Filing: 1921-08-24
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Granted: 1925-12-08
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Expires: 1941-08-24
Abstract
No abstract record available.
Inventors
- 👤 Marcuse Adolf
- 👤 Wanschaff Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:59
CPC Classifications
F; F41; F41A; F41A31/00; F41A31/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1928-12-07 | 1929-06-08 | 1929-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-12-07 | 1933-06-08 | 1933-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-12-07 | 1937-06-08 | 1937-12-08 | $7700.00 | Window Closed / Lapsed |