US2694648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of saturating fiberboard
Assignee: Celotex Corp
•
Filing: 1950-01-31
•
Granted: 1954-11-16
•
Expires: 1970-01-31
Abstract
No abstract record available.
Inventors
- 👤 Carl G Muench
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:34
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/14; B26D1/20; B26D1/205; D; D21; D21J; D21J1/00; D21J1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE PROCESS OF SATURATING AN EDGE OF A SHEET OF FELTED FIBER BOARD AND COMPRISING THE STEPS: ESTABLISHING A PILE OF SHEETS TO BE TREATED, MAINTAINING SUCH PILE OF SHEETS WHILE TRAVERSING EACH SHEET OF THE PILE FROM THE TOP TO THE BOTTOM OF THE PILE BY SUCCESSIVELY ADDING SHEETS TO THE TOP OF THE PILE AND SUCCESSIVELY REMOVING SHEETS FROM THE BOTTOM OF THE PILE, ESTABLISHING AGAINST A SIDE FACE OF THE PILE OF SHEETS A BODY OF LIQUID SATURANT UNDER
Claim 2
Dependent Claim
82 words
THE PROCESS OF SATURATING AN EDGE OF A SHEET OF FELTED FIBER BOARD AND COMPRISING THE STEPS: ESTABLISHING A PILE OF SHEETS TO BE TREATED, MAINTAINING SUCH PILE OF SHEETS WHILE TRAVERSING EACH SHEET OF THE PILE FROM THE TOP TO THE BOTTOM OF THE PILE BY SUCCESSIVELY ADDING SHEETS TO THE TOP OF THE PILE AND SUCCESSIVELY REMOVING SHEETS FROM THE BOTTOM OF THE PILE, ESTABLISHING AGAINST A SIDE FACE OF THE PILE OF SHEETS A BODY OF LIQUID SATURANT UNDER
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |