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US2591875A
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Assignee: WILLIAM A KELLEY
•
Filing: 1946-07-05
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Granted: 1952-04-08
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Expires: 1966-07-05
Abstract
No abstract record available.
Inventors
- 👤 Robbins Bertha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:47
CPC Classifications
A; A47; A47D; A47D15/00; A47D15/005; A47D15/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US157817A
Cited
US391637A
Cited
GB190625249A
Cited
US1376625A
Cited
US1391249A
Cited
US2407646A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |