US2894147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load leveller
Assignee: HOWARD SMITH PAPER MILLS Ltd
•
Filing: 1956-11-26
•
Granted: 1959-07-07
•
Expires: 1976-11-26
Abstract
No abstract record available.
Inventors
- 👤 Stidwill George Benson Munroe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:05
CPC Classifications
B; B65; B65H; B65H31/00; B65H31/04; B65H31/08; B65H31/10; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/102; Y10S414/103; Y10S414/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2319287A
Cited
US2317652A
Cited
US2525311A
Cited
US2609159A
Cited
US2707142A
Cited
US2606297A
Cited
US2783450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |