US3364841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slidably mounted perforated sheets
Assignee: Individual
•
Filing: 1965-10-05
•
Granted: 1968-01-23
•
Expires: 1985-10-05
Abstract
No abstract record available.
Inventors
- 👤 Uchiyama Yoichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:14
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/08; F24F13/10; F24F13/12; F24F13/02; F24F13/06; F24F13/068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US924479A
Cited
US2082335A
Cited
US2576848A
Cited
US2423241A
Cited
US2807992A
Cited
US2870700A
Cited
US2976795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |