US2515692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Partial product multiplying calculator
Assignee: —
•
Filing: —
•
Granted: 1950-07-18
•
Expires: 1967-07-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:56
CPC Classifications
G; G06; G06C; G06C23/00; G06C23/02; G06C15/00; G06C15/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1332543A
Cited
US2088634A
Cited
US2141269A
Cited
US2226919A
Cited
US2342529A
Cited
US2225410A
Cited
US2303692A
Cited
US2403480A
Cited
US2377065A
Cited
US2333234A
Cited
US2339154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |