US3101757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method of debarking pulp wood utilizing liquified gasses
Assignee: Individual
•
Filing: 1961-04-24
•
Granted: 1963-08-27
•
Expires: 1981-04-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:17
CPC Classifications
B; B27; B27L; B27L1/00; B27L1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A METHOD OF DEBARKING PULPWOOD COMPRISING THE STEPS OF TOTALLY IMMERSING SAID WOOD WITHIN A LIQUIFIED GAS FOR A SUFFICIENT LENGTH OF TIME TO REDUCE THE BARK ON SAID
Claim 2
Independent Claim
29 words
A METHOD OF DEBARKING PULPWOOD COMPRISING THE STEPS OF TOTALLY IMMERSING SAID WOOD WITHIN A LIQUIFIED GAS FOR A SUFFICIENT LENGTH OF TIME TO REDUCE THE BARK ON SAID
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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |