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US2775111A
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Assignee: CRAMPTON Manufacturing CO
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Filing: 1954-12-10
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Granted: 1956-12-25
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Expires: 1974-12-10
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Savage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:38
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/12; E05C3/14; Y; Y10; Y10S; Y10S292/00; Y10S292/71; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0926; Y10T292/0928; Y10T292/0934; Y10T292/1043; Y10T292/1051; Y10T292/1052; Y10T292/1061; Y10T292/31; Y10T70/00; Y10T70/30; Y10T70/333; Y10T70/342; Y10T70/35; Y10T70/358; Y10T70/50; Y10T70/5093; Y10T70/5097
Claims Analysis
Total Claims: 0
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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) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |