US3272245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barking drum
Assignee: Canadian Ingersoll Rand Co Ltd
•
Filing: 1964-04-29
•
Granted: 1966-09-13
•
Expires: 1984-04-29
Abstract
No abstract record available.
Inventors
- 👤 George M Dick
- 👤 Gladstone H Kapralos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:26
CPC Classifications
B; B27; B27L; B27L1/00; B27L1/02; B27L1/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A BARKING DRUM FOR DEBARKING LOGS, COMPRISING: (A) A CYLINDRICAL SHELL FOR RECEIVING SAID LOGS; (B) SAID CYLINDRICAL SHELL BEING PROVIDED WITH AT LEAST TWO SECTIONS; AND (C) MEANS FOR POSITIVELY CONTROLLING THE LENGTH OF TIME THAT SAID LOGS STAY IN EACH OF SAID SECTIONS.
Claim 2
Dependent Claim
45 words
A BARKING DRUM FOR DEBARKING LOGS, COMPRISING: (A) A CYLINDRICAL SHELL FOR RECEIVING SAID LOGS; (B) SAID CYLINDRICAL SHELL BEING PROVIDED WITH AT LEAST TWO SECTIONS; AND (C) MEANS FOR POSITIVELY CONTROLLING THE LENGTH OF TIME THAT SAID LOGS STAY IN EACH OF SAID SECTIONS.
References Cited (Backward Citations)
US1463887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |