US1197803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp for sewer-opening protectors and the like.
Assignee: SAMUEL W GOLDMAN
•
Filing: 1915-12-13
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Granted: 1916-09-12
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Expires: 1935-12-13
Abstract
No abstract record available.
Inventors
- 👤 Frank N Dierks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:14
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/01; B01D29/03; E; E03; E03F; E03F5/00; E03F5/02; E04; E04D; E04D13/00; E04D13/04; E04D13/0404; E04D13/0409; E04D2013/0413
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) | 1919-09-12 | 1920-03-13 | 1920-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-09-12 | 1924-03-13 | 1924-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-09-12 | 1928-03-13 | 1928-09-12 | $7700.00 | Window Closed / Lapsed |