US3547735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for butt joining the longitudinal edges of thin,flat workpieces
Assignee: Individual
•
Filing: 1967-03-24
•
Granted: 1970-12-15
•
Expires: 1987-03-24
Abstract
No abstract record available.
Inventors
- 👤 Gerhard Ortel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:34
CPC Classifications
B; B27; B27D; B27D1/00; B27D1/10; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/109; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1715; Y10T156/1717
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2721925A
Cited
US3007502A
Cited
US3175533A
Cited
US3321348A
Cited
US3445319A
Cited
US3379596A
Cited
US3459612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |