Patent US931023A successfully refreshed from Google Patents.
US931023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clasp.
Assignee: Individual
•
Filing: 1908-09-16
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Granted: 1909-08-17
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Expires: 1928-09-16
Abstract
No abstract record available.
Inventors
- 👤 John A Albertoni
- 👤 Enrico Tropeano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:38
CPC Classifications
A; A44; A44B; A44B9/00; A44B9/12; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3467; Y10T24/3468; Y10T24/46; Y10T24/4604; Y10T24/4654; Y10T24/4663; Y10T24/4677
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) | 1912-08-16 | 1913-02-15 | 1913-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-08-16 | 1917-02-15 | 1917-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-08-16 | 1921-02-15 | 1921-08-17 | $7700.00 | Window Closed / Lapsed |