US3391698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holding device for expandable files
Assignee: Individual
•
Filing: 1967-07-13
•
Granted: 1968-07-09
•
Expires: 1987-07-13
Abstract
No abstract record available.
Inventors
- 👤 Wiles Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:34
CPC Classifications
B; B42; B42F; B42F7/00; B42F7/06; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/344; Y10T24/3447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US394258A
Cited
US399411A
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US856881A
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US1595761A
Cited
US1811124A
Cited
US1881124A
Cited
US1895904A
Cited
US2307899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |