US2713530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment for tables
Assignee: Individual
•
Filing: 1954-04-20
•
Granted: 1955-07-19
•
Expires: 1974-04-20
Abstract
No abstract record available.
Inventors
- 👤 George E Chisholm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:36
CPC Classifications
A; A47; A47B; A47B1/00; A47B1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US259390A
Cited
US604008A
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US690072A
Cited
US1398496A
Cited
US1487465A
Cited
US1995983A
Cited
US2223193A
Cited
US2474050A
Cited
US2556724A
Cited
US2584557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-18 | 1959-01-17 | 1959-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-18 | 1963-01-17 | 1963-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-18 | 1967-01-17 | 1967-07-19 | $7700.00 | Window Closed / Lapsed |