US2810388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hanging file support
Assignee: Globe Wernicke Co
•
Filing: 1956-07-23
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Granted: 1957-10-22
•
Expires: 1976-07-23
Abstract
No abstract record available.
Inventors
- 👤 Conley Frank
- 👤 John H Brinker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:50
CPC Classifications
B; B42; B42F; B42F15/00; B42F15/007; B42F15/0082; B42F15/0094; Y; Y10; Y10S; Y10S248/00; Y10S248/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |