US2690781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming and applying hinges to record cards
Assignee: Acme Visible Records Inc
•
Filing: 1949-06-15
•
Granted: 1954-10-05
•
Expires: 1969-06-15
Abstract
No abstract record available.
Inventors
- 👤 Hall Marchand Blanchard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:23
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/38; B21D53/40; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/51; Y10T29/5102; Y10T29/5103; Y10T29/5124
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |