Patent US3443300A successfully refreshed from Google Patents.
US3443300A
Expired / Lapsed
US
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Roll construction
Assignee: A LAKIN AND SONS Inc
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Filing: 1967-01-04
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Granted: 1969-05-13
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Expires: 1987-01-04
Abstract
No abstract record available.
Inventors
- 👤 Lewis G Lakin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:44
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/12; A01D87/125; A01D45/00; A01D45/02; A01D45/021; A01D45/025; A01D82/00; A01D82/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |