US2977827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting apparatus
Assignee: Foster Wheeler Inc
•
Filing: 1953-04-27
•
Granted: 1961-04-04
•
Expires: 1973-04-27
Abstract
No abstract record available.
Inventors
- 👤 Wenz John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:25
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/0009; B23Q1/0018; B23Q1/0027; B23Q1/0036; F; F16; F16L; F16L27/00; F16L27/08; F16L27/087; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17111; Y10T408/00; Y10T408/44; Y10T408/45; Y10T408/455; Y10T408/55; Y10T408/564
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US580398A
Cited
US594330A
Cited
US838999A
Cited
US1244112A
Cited
US2182770A
Cited
US2325973A
Cited
US2418021A
Cited
GB586181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |