Patent US2906579A successfully refreshed from Google Patents.
US2906579A
Expired / Lapsed
US
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Locking means for photo slide case
Assignee: Waterbury Companies Inc
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Filing: 1955-02-18
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Granted: 1959-09-29
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Expires: 1975-02-18
Abstract
No abstract record available.
Inventors
- 👤 Rene P Magnenat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:30
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/082; Y10T292/0894
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US545176A
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US2288637A
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US2807387A
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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) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |