US2501604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recorder having a single marker for making a pair distinguishable records
Assignee: Honeywell Inc
•
Filing: 1944-12-15
•
Granted: 1950-03-21
•
Expires: 1964-12-15
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Jordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:29
CPC Classifications
G; G01; G01D; G01D9/00; G01D9/02; G01D9/10; G01D9/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE235781C
Cited
US1046680A
Cited
US1085511A
Cited
US1350174A
Cited
US1471129A
Cited
US1811417A
Cited
US1782525A
Cited
US2118081A
Cited
US2152333A
Cited
US2277427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |