US646510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring-clamp for bills or accounts.
Assignee: Individual
•
Filing: 1899-11-20
•
Granted: 1900-04-03
•
Expires: 1919-11-20
Abstract
No abstract record available.
Inventors
- 👤 Anthony Wayne Thierkoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:00
CPC Classifications
A; A47; A47C; A47C21/00; A47C21/02; A47C21/022; F; F16; F16B; F16B2/00; F16B2/20; F16B2/22; F16B2/24; F16B2/241; Y; Y10; Y10S; Y10S24/00; Y10S24/08; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3428; Y10T24/3431; Y10T24/3433; Y10T24/3435; Y10T24/44; Y10T24/44017; Y10T24/44291; Y10T24/44376; Y10T24/44385; Y10T24/44462
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) | 1903-04-03 | 1903-10-03 | 1904-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-04-03 | 1907-10-03 | 1908-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-04-03 | 1911-10-03 | 1912-04-03 | $7700.00 | Window Closed / Lapsed |