US3421801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filing cabinet module
Assignee: Wilson Jones Co
•
Filing: 1967-01-19
•
Granted: 1969-01-14
•
Expires: 1987-01-19
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Carpenter
- 👤 Forest G Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:37
CPC Classifications
A; A47; A47B; A47B87/00; A47B87/02; A47B63/00; A47B67/00; A47B67/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303985A
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US2733112A
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US1698578A
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US1726121A
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US2268236A
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US3003839A
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US3000680A
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FR1235845A
Cited
GB1077258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |