Patent US3343933A successfully refreshed from Google Patents.
US3343933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binder distribution method for producing mineral wool board
Assignee: Celotex Corp
•
Filing: 1964-05-08
•
Granted: 1967-09-26
•
Expires: 1984-05-08
Abstract
No abstract record available.
Inventors
- 👤 John J Mullan
- 👤 William H Prentice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:07
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/12; C03C25/14; C03C25/146; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
THE METHOD OF COATING MINERAL FIBERS WITH BINDER COMPRISING THE STEPS OF: FORMING INDIVIDUAL MINERAL FIBERS FROM MOLTEN SLAG; ATOMIZING A BINDER TO FORM FINE DROPLETS SUCH THAT MORE THAN 90% OF SAID DROPLETS ARE SMALLER THAN 0.11 INCH IN DIAMETER AND NOT LESS THAN 0.01 INCH IN DIAMETER, AND COATING SAID FIBERS WITH SAID ATOMIZED BINDER.
Claim 2
Independent Claim
57 words
THE METHOD OF COATING MINERAL FIBERS WITH BINDER COMPRISING THE STEPS OF: FORMING INDIVIDUAL MINERAL FIBERS FROM MOLTEN SLAG; ATOMIZING A BINDER TO FORM FINE DROPLETS SUCH THAT MORE THAN 90% OF SAID DROPLETS ARE SMALLER THAN 0.11 INCH IN DIAMETER AND NOT LESS THAN 0.01 INCH IN DIAMETER, AND COATING SAID FIBERS WITH SAID ATOMIZED BINDER.
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 |