US2437405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrying device
Assignee: Individual
•
Filing: 1945-12-04
•
Granted: 1948-03-09
•
Expires: 1965-12-04
Abstract
No abstract record available.
Inventors
- 👤 Albert P Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:18
CPC Classifications
A; A45; A45F; A45F3/00; A45F3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB513806A
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US135530A
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US248342A
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US295030A
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US954840A
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US1094009A
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US1489112A
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US1607802A
Cited
US1727578A
Cited
US1958587A
Cited
GB373671A
Cited
US1930942A
Cited
US2168077A
Cited
US2394782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-09 | 1951-09-08 | 1952-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-09 | 1955-09-08 | 1956-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-09 | 1959-09-08 | 1960-03-09 | $7700.00 | Window Closed / Lapsed |