Patent US2704633A successfully refreshed from Google Patents.
US2704633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analyzing apparatus
Assignee: —
•
Filing: —
•
Granted: 1955-03-22
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Expires: 1972-03-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:45
CPC Classifications
G; G06; G06K; G06K11/00; B; B65; B65H; B65H63/00; B65H63/06; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1938990A
Cited
US2006582A
Cited
US2199769A
Cited
US2222991A
Cited
US2243730A
Cited
US2360883A
Cited
US2413965A
Cited
US2514985A
Cited
US2471252A
Cited
US2534544A
Cited
US2500935A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-21 | 1958-09-20 | 1959-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-21 | 1962-09-20 | 1963-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-21 | 1966-09-20 | 1967-03-22 | $7700.00 | Window Closed / Lapsed |