Patent US4110991A successfully refreshed from Google Patents.
US2589792A
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Pleating machine
Assignee: Hercules Fasteners Inc
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Filing: 1947-03-21
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Granted: 1952-03-18
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Expires: 1967-03-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Frank
- 👤 James C Macy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:55
CPC Classifications
A; A22; A22C; A22C11/00; A22C11/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US336656A
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US568307A
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DE431103C
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DE463105C
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US1290800A
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US1700099A
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US1887680A
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US1982454A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |