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US1708522A
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Assignee: WILLIAM L PROSS
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Filing: 1927-09-27
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Granted: 1929-04-09
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Expires: 1947-09-27
Abstract
No abstract record available.
Inventors
- 👤 Jr William L Pross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:02
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/08; A47J37/0857
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) | 1932-04-08 | 1932-10-08 | 1933-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-04-08 | 1936-10-08 | 1937-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-04-08 | 1940-10-08 | 1941-04-09 | $7700.00 | Window Closed / Lapsed |