US3537943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single facer with heated bearings
Assignee: Harris Corp
•
Filing: 1969-01-15
•
Granted: 1970-11-03
•
Expires: 1989-01-15
Abstract
No abstract record available.
Inventors
- 👤 Henry W Moser
- 👤 Charles R Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:49
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2845; B31F1/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1735340A
Cited
US1892812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |