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Patent US1613552A successfully refreshed from Google Patents.
US1613552A
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Assignee: Individual
•
Filing: 1925-08-05
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Granted: 1927-01-04
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Expires: 1945-08-05
Abstract
No abstract record available.
Inventors
- 👤 Armstrong Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:21
CPC Classifications
G; G06; G06M; G06M7/00; G06M7/02; G06M7/04; G06M1/00; G06M1/08
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) | 1930-01-03 | 1930-07-05 | 1931-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-01-03 | 1934-07-05 | 1935-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-01-03 | 1938-07-05 | 1939-01-04 | $7700.00 | Window Closed / Lapsed |