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US2689382A
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Vertical apron drafter
Assignee: BACHMANN UXBRIDGE WORSTED Corp
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Filing: 1949-03-19
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Granted: 1954-09-21
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Expires: 1969-03-19
Abstract
No abstract record available.
Inventors
- 👤 Jr John R Andrews
- 👤 Jacques Raynaldo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:51
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US158698A
Cited
US1427158A
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US2306848A
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US2179078A
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US2224778A
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US2258033A
Cited
US2381983A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-20 | 1958-03-22 | 1958-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-20 | 1962-03-22 | 1962-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-20 | 1966-03-22 | 1966-09-21 | $7700.00 | Window Closed / Lapsed |