US2683901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fly prevention for cards
Assignee: Chicopee Manufacturing Corp
•
Filing: 1950-09-01
•
Granted: 1954-07-20
•
Expires: 1970-09-01
Abstract
No abstract record available.
Inventors
- 👤 Hector W Griswold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:51
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/76; D01G15/763
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189821672A
Cited
GB189826968A
Cited
GB191507565A
Cited
DE518882C
Cited
US2246312A
Cited
GB560969A
Cited
GB637870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |