Patent US2756434A successfully refreshed from Google Patents.
US2756434A
Expired / Lapsed
US
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Novel pattern
Assignee: Individual
•
Filing: 1953-06-02
•
Granted: 1956-07-31
•
Expires: 1973-06-02
Abstract
No abstract record available.
Inventors
- 👤 Rick Richard
- 👤 Frank C Campins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:40
CPC Classifications
D; D05; D05C; D05C1/00; D05C1/08; A; A41; A41H; A41H3/00; A41H3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US932870A
Cited
US1106340A
Cited
US1419634A
Cited
US2411328A
Cited
US2436060A
Cited
US2603612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |