US2534367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1949-04-14
•
Granted: 1950-12-19
•
Expires: 1969-04-14
Abstract
No abstract record available.
Inventors
- 👤 Edna M Perrotta
- 👤 Gloria M Parkrose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:11
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/0083; A; A45; A45C; A45C13/00; A45C13/38; A45C13/385; B62B2202/00; B62B2202/24; B62B2206/00; B62B2206/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US444020A
Cited
US1229933A
Cited
US2174661A
Cited
US2186368A
Cited
US2345381A
Cited
US2424095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |