Patent US2888727A successfully refreshed from Google Patents.
US2888727A
Expired / Lapsed
US
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Sliding clasp fasteners
Assignee: Individual
•
Filing: 1952-12-29
•
Granted: 1959-06-02
•
Expires: 1972-12-29
Abstract
No abstract record available.
Inventors
- 👤 Heimberger Helmut
- 👤 Bunger August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:15
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/18; A44B19/22; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/31; Y10S24/35; Y10T; Y10T24/00; Y10T24/25; Y10T24/2514; Y10T24/2539; Y10T24/2545; Y10T24/45; Y10T24/45152; Y10T24/45183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2651091A
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Cited
US2612169A
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DE818033C
Cited
DE806364C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |