US1285394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bookkeeping apparatus.
Assignee: Lamson Co
•
Filing: 1916-12-12
•
Granted: 1918-11-19
•
Expires: 1936-12-12
Abstract
No abstract record available.
Inventors
- 👤 Henry W Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:24
CPC Classifications
A; A47; A47F; A47F7/00; A47F7/14; A47F7/148; B; B42; B42F; B42F17/00; B42F17/02
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) | 1921-11-18 | 1922-05-20 | 1922-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-11-18 | 1926-05-20 | 1926-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-11-18 | 1930-05-20 | 1930-11-19 | $7700.00 | Window Closed / Lapsed |