US3301187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Consumable materials
Assignee: Individual
•
Filing: 1965-03-31
•
Granted: 1967-01-31
•
Expires: 1985-03-31
Abstract
No abstract record available.
Inventors
- 👤 William E Donaldson
- 👤 Carroll W Butler
- 👤 Rosemary R Whitman
- 👤 Harry B Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:12
CPC Classifications
D; D21; D21H; D21H25/00; D21H25/02; C; C06; C06B; C06B45/00; D21H17/00; D21H17/20; D21H17/33; D21H17/46; D21H17/52; D21H5/00; D21H5/0092; D21H5/0095; F; F42; F42B; F42B5/00; F42B5/02; F42B5/18; F42B5/188
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A CONSUMABLE MATERIAL COMPRISING A CLOTH MATRIX SELECTED FROM A MEMBER CONSISTING OF FIBERGLASS, NYLON, COTTON CLOTH AND PAPER IMPREGNATED WITH A FORMULATION CONSISTING ESSENTIALLY OF:
Claim 2
Dependent Claim
26 words
A CONSUMABLE MATERIAL COMPRISING A CLOTH MATRIX SELECTED FROM A MEMBER CONSISTING OF FIBERGLASS, NYLON, COTTON CLOTH AND PAPER IMPREGNATED WITH A FORMULATION CONSISTING ESSENTIALLY OF:
References Cited (Backward Citations)
US1405104A
Cited
US2977885A
Cited
US2986092A
Cited
US3032970A
Cited
US3017836A
Cited
US3159104A
Cited
US3213793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |