Patent US2550135A successfully refreshed from Google Patents.
US2550135A
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US
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Detachable loop-type key holder for key cases
Assignee: Buxton Inc
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Filing: 1947-08-09
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Granted: 1951-04-24
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Expires: 1967-08-09
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Buckley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:09
CPC Classifications
A; A44; A44B; A44B15/00; A45; A45C; A45C11/00; A45C11/32; A45C11/323; Y; Y10; Y10T; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676; Y10T70/8784
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US226702A
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US1364709A
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US1364240A
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US1443889A
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US2019691A
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US2018009A
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US2342078A
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US2254582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |