US3293336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for improving particleboard
Assignee: Individual
•
Filing: 1963-01-21
•
Granted: 1966-12-20
•
Expires: 1983-01-21
Abstract
No abstract record available.
Inventors
- 👤 Himmelheber Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:40
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/16; B; B27; B27N; B27N3/00; C; C08; C08L; C08L97/00; C08L97/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
THE PROCESS FOR MANUFATURING PARTICLEBOARD PANELS BY FORMING THE PANELS FROM A PARTICLE MIXTURE, WHICH COMPRISES PROVIDING THE PARTICLE MIXTURE WITH AN ADDITION OF DUST RESULTING FROM SANDING OTHER PREVIOUSLY FORMED PANELS.
Claim 2
Dependent Claim
32 words
THE PROCESS FOR MANUFATURING PARTICLEBOARD PANELS BY FORMING THE PANELS FROM A PARTICLE MIXTURE, WHICH COMPRISES PROVIDING THE PARTICLE MIXTURE WITH AN ADDITION OF DUST RESULTING FROM SANDING OTHER PREVIOUSLY FORMED PANELS.
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |