US2676818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Writing pad
Assignee: Individual
•
Filing: 1952-09-18
•
Granted: 1954-04-27
•
Expires: 1972-09-18
Abstract
No abstract record available.
Inventors
- 👤 Blumberg Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:20
CPC Classifications
B; B42; B42D; B42D5/00; B42D5/003; B42D5/005; B41; B41L; B41L1/00; B41L1/20; B41L1/22; B41L1/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |