US2535607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1946-04-10
•
Granted: 1950-12-26
•
Expires: 1966-04-10
Abstract
No abstract record available.
Inventors
- 👤 Norman R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:40
CPC Classifications
A; A47; A47G; A47G29/00; A47G29/12; A47G29/122; A47G29/1225; G; G09; G09F; G09F23/00; G09F23/02; G09F23/04; A47G2029/1226; A47G2029/1228
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US329245A
Cited
US455126A
Cited
US744904A
Cited
US861290A
Cited
DE514119C
Cited
US2132111A
Cited
US2219718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |