US2679176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for manufacturing articles such as buttons
Assignee: EXCELSIOR PEARL WORKS Inc
•
Filing: 1949-11-15
•
Granted: 1954-05-25
•
Expires: 1969-11-15
Abstract
No abstract record available.
Inventors
- 👤 Eric A Bruckman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:43
CPC Classifications
B; B29; B29D; B29D19/00; B29D19/04; Y; Y10; Y10S; Y10S408/00; Y10S408/714; Y10T; Y10T408/00; Y10T408/03; Y10T408/34; Y10T408/348; Y10T408/35; Y10T408/52; Y10T408/65; Y10T408/675; Y10T408/6771; Y10T408/6774
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US323312A
Cited
US1353680A
Cited
US693565A
Cited
US1020359A
Cited
US974532A
Cited
US1089856A
Cited
US1241467A
Cited
US1863737A
Cited
US2029255A
Cited
US2333121A
Cited
US2313981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-24 | 1957-11-23 | 1958-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-24 | 1961-11-23 | 1962-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-24 | 1965-11-23 | 1966-05-25 | $7700.00 | Window Closed / Lapsed |