Patent US2583988A successfully refreshed from Google Patents.
US2583988A
Expired / Lapsed
US
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Clasp
Assignee: BA Ballou and Co Inc
•
Filing: 1949-05-27
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Granted: 1952-01-29
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Expires: 1969-05-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick A Ballou
- 👤 Rogers T Stafford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:46
CPC Classifications
A; A44; A44C; A44C7/00; A44C7/004; A44C7/006; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/44376
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE146681C
Cited
US1931437A
Cited
US1967965A
Cited
US2095785A
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US2230984A
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US2400513A
Cited
US2503167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |