Patent US2599720A successfully refreshed from Google Patents.
US2599720A
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Assignee: John W Bolton and Sons Inc
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Filing: 1948-04-05
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Granted: 1952-06-10
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Expires: 1968-04-05
Abstract
No abstract record available.
Inventors
- 👤 Bruno E Prevost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:23
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/24; B65H75/242; B65H75/245; B65H16/00; B65H16/02; B65H16/021; B65H75/2455; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/417; B65H2301/4171; B65H2301/4173; B65H2403/00; B65H2403/50; B65H2403/52; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1037; Y10T279/1066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US732066A
Cited
US1742029A
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US1793180A
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US2066659A
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US2261891A
Cited
US2405637A
Cited
US2391265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |