US2673684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decimal point mechanism
Assignee: —
•
Filing: —
•
Granted: 1954-03-30
•
Expires: 1971-03-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:13
CPC Classifications
G; G06; G06C; G06C23/00; G06C23/02; G06C21/00; G06C21/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1503742A
Cited
US1799037A
Cited
US2329190A
Cited
US2329218A
Cited
US2549512A
Cited
US2567133A
Cited
US809075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |