Patent US2927357A successfully refreshed from Google Patents.
US2927357A
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US
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Releasable fastener
Assignee: Balda Werke Photographische Gerate und Kunststof GmbH and Co KG
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Filing: 1957-04-15
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Granted: 1960-03-08
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Expires: 1977-04-15
Abstract
No abstract record available.
Inventors
- 👤 Lange Karl Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:14
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/04; F; F16; F16B; F16B2200/00; F16B2200/10; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45723; Y10T24/45743; Y10T403/00; Y10T403/70; Y10T403/7075; Y10T403/7077; Y10T403/7079; Y10T403/7084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1536193A
Cited
US2174518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |