Patent US3816611A successfully refreshed from Google Patents.
Patent US3069953A successfully refreshed from Google Patents.
US3069953A
Expired / Lapsed
US
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Apparatus for v-slitting a moving web to produce mulching strip
Assignee: Millennium Petrochemicals Inc
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Filing: 1960-05-04
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Granted: 1962-12-25
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Expires: 1980-05-04
Abstract
No abstract record available.
Inventors
- 👤 Donald J Brickle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:19
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/18; B26F1/22; A; A01; A01G; A01G13/00; A01G13/30; A01G13/37; B26D; B26D1/00; B26D1/01; B26D1/02; B26D1/03; B26D1/035; B26D1/12; B26D1/14; B26D1/24; B26D1/245; B26D3/00; B26D3/08; Y; Y10; Y10S; Y10S83/00; Y10S83/929; Y10S83/949; Y10T; Y10T83/00; Y10T83/04; Y10T83/0448; Y10T83/0462; Y10T83/647; Y10T83/6572; Y10T83/727; Y10T83/738; Y10T83/869; Y10T83/8752; Y10T83/929; Y10T83/9457; Y10T83/9488; Y10T83/949
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) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |