US1181995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor-cleaner.
Assignee: Individual
•
Filing: 1915-10-08
•
Granted: 1916-05-09
•
Expires: 1935-10-08
Abstract
No abstract record available.
Inventors
- 👤 Hezekiah H Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:01
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4047
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) | 1919-05-09 | 1919-11-08 | 1920-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-05-09 | 1923-11-08 | 1924-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-05-09 | 1927-11-08 | 1928-05-09 | $7700.00 | Window Closed / Lapsed |