US1216716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article-holder.
Assignee: JOHN F RITTERPUSCH
•
Filing: 1915-07-03
•
Granted: 1917-02-20
•
Expires: 1935-07-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick B Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:53
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/18; F16B21/183; Y; Y10; Y10T; Y10T24/00; Y10T24/10; Y10T24/19; Y10T24/1986; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/344
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) | 1920-02-20 | 1920-08-21 | 1921-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-02-20 | 1924-08-21 | 1925-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-02-20 | 1928-08-21 | 1929-02-20 | $7700.00 | Window Closed / Lapsed |