US2649034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulp wood product and method of manufacturing
Assignee: Individual
•
Filing: 1949-09-17
•
Granted: 1953-08-18
•
Expires: 1969-09-17
Abstract
No abstract record available.
Inventors
- 👤 Clarence U Gramelspacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:46
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/08; B27N3/24; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24397; Y10T428/249921; Y10T428/249924; Y10T428/249933; Y10T428/249934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1500207A
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US1892873A
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US1899768A
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US1969291A
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US1959375A
Cited
US2066734A
Cited
US2167440A
Cited
US2381269A
Cited
GB559974A
Cited
GB571786A
Cited
US2503407A
Cited
US2480851A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |