US2707506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1952-11-12
•
Granted: 1955-05-03
•
Expires: 1972-11-12
Abstract
No abstract record available.
Inventors
- 👤 Kontoff Saul
- 👤 Rubin Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:02
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/38; A45C13/00; A45C13/02; A45C3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1325537A
Cited
US637033A
Cited
US1289525A
Cited
GB206996A
Cited
US1668405A
Cited
US1821345A
Cited
US2628694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |