Patent US3646518A successfully refreshed from Google Patents.
US676273A
Expired / Lapsed
US
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Fastening device for buttons, hangers, &c.
Assignee: PLATONS KNAPPFAESTARE AB
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Filing: 1900-11-20
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Granted: 1901-06-11
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Expires: 1920-11-20
Abstract
No abstract record available.
Inventors
- 👤 John Erik Platon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:49
CPC Classifications
A; A44; A44B; A44B1/00; A44B1/18; A44B1/44; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3467; Y10T24/3468; Y10T24/3483; Y10T24/36; Y10T24/3611; Y10T24/3613; Y10T24/3689; Y10T24/3691
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1904-06-10 | 1904-12-10 | 1905-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-06-10 | 1908-12-10 | 1909-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-06-10 | 1912-12-10 | 1913-06-11 | $7700.00 | Window Closed / Lapsed |