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US1153820A
Expired / Lapsed
US
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Adding-machine.
Assignee: LEO RASSIEUR JR
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Filing: 1914-03-12
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Granted: 1915-09-14
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Expires: 1934-03-12
Abstract
No abstract record available.
Inventors
- 👤 Elmer E Patten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:49
CPC Classifications
G; G06; G06C; G06C15/00; G06C15/04; G06C15/06
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) | 1918-09-13 | 1919-03-15 | 1919-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-09-13 | 1923-03-15 | 1923-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-09-13 | 1927-03-15 | 1927-09-14 | $7700.00 | Window Closed / Lapsed |