US3482343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frame for stressing sheet material
Assignee: Individual
•
Filing: 1968-01-22
•
Granted: 1969-12-09
•
Expires: 1988-01-22
Abstract
No abstract record available.
Inventors
- 👤 Kaino J Hamu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:40
CPC Classifications
B; B41; B41F; B41F15/00; B41F15/14; B41F15/34; B41F15/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1223015A
Cited
CH126170A
Cited
US1895309A
Cited
US2803086A
Cited
US2893162A
Cited
US3255540A
Cited
US3359663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |