US2733711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
gibson
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
•
Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:04
CPC Classifications
A; A61; A61H; A61H33/00; A61H33/60; A61H33/601; A61H33/6021; A61H33/6063; A61H33/02; A61H33/027; A61H33/6047; A61H33/6089; A61H2201/00; A61H2201/12; A61H2201/1207; A61H2201/1215; A61H2205/00; A61H2205/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US861610A
Cited
US1526179A
Cited
US1969176A
Cited
US2091167A
Cited
US2142206A
Cited
US2237436A
Cited
US2272585A
Cited
US2432211A
Cited
US2478188A
Cited
US2587644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |