US3343977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for impregnating corrugated board
Assignee: OI Glass Inc
•
Filing: 1964-06-15
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Granted: 1967-09-26
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Expires: 1984-06-15
Abstract
No abstract record available.
Inventors
- 👤 Gjesdal Olav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:59
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/46; D21H5/00; D21H5/0005; D21H5/0042; Y; Y10; Y10S; Y10S229/00; Y10S229/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
THE METHOD OF IMPREGNATING PAPER BOARD WITH A LIQUID IMPREGNANT COMPRISING THE STEPS OF, ESTABLISHING
Claim 2
Independent Claim
15 words
THE METHOD OF IMPREGNATING PAPER BOARD WITH A LIQUID IMPREGNANT COMPRISING THE STEPS OF, ESTABLISHING
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |